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NSSH Amendment 1

September 1997

General changes:

  • Soils Division to Soil Survey Division
  • National Cartography and GIS Center to National Cartography and Geospatial Center
  • Electronic Imaging and Design staff at National Headquarters to National Production Service Staff at the National Business Management Center at Fort Worth, Texas

Specific changes:

1. Table of Contents - General

  • Add the statement: Unlisted parts are reserved

2. Table of Contents - Detailed

  • Part 601.01 (e) - Change GIS to Geospatial
  • Detailed part 607 - Strike out 607.02 and renumber 607.03 to 607.02

3. Subject Index - Conventional and Special Symbols Legend

  • Add and definitions after legend

4. Part 607

  • Contents - Strike out 607.02 General
  • Renumber 607.03 to be 607.02
  • On first page - Renumber 607.03 to be 607.02
  • Exhibit 607-2 - Add the following statement to the end of the listing: The sources indicated herein are in no way endorsed by the Government as being the preferred vendor of choice. Proposed acquisitions by the Government shall be in accordance with the applicable Federal Acquisition Regulations and in full compliance with the Competition and Contracting Act and Procurement Integrity Act.

5. Part 609

  • 609.05 (a)
    • (2) Replace the current statement with: The MLRA office assures the quality of detailed soil survey maps prepared for public distribution including assuring that joins are achieved. Joining is addressed from the initiation of a soil survey and achieved through progressive correlation. Joining between previously correlated soil survey areas is addressed prior to the compilation/recompilation step of the digitizing process with an addendum to the correlation.
    • (3) Replace the fifth statement with: --the exact or acceptable join of map unit lines and concepts across map sheets within the survey area and across survey area boundaries, and
    • (6) Replace the current statement with the following paragraphs: It is the intent of soil survey to provide seamless joins across political boundaries. Where an exact join cannot be accomplished, all discrepancies are to be documented, recorded, and filed in the final correlation. These joining statements are recommended to the MLRA office by the project office or other office discovering the discrepancies. Joining statements and types of joins refer to the boundary of two surveys. When completing a survey, the boundary with each of the other survey areas is to be joined and documented.

      Two types of joins are recognized; an exact join and an acceptable join.
      (i) An exact join occurs when two soil survey areas join lines and features exactly along common boundaries and the joined soil polygons share the same NASIS data mapunit.
      (ii) An acceptable join occurs when an exact join is not made but the join is acceptable to the MLRA office and the state soil scientist until an exact join can be made. An acceptable join occurs when the lines match as close as possible and adjoined map units have similar soil properties and interpretations.
       
    • (7) Replace the paragraph with: The following examples describe the most common join situations and provide general guidelines for obtaining an exact or acceptable join between survey areas. A reasonable attempt to join previously correlated surveys should be made before digitizing. An acceptable join is to be made between surveys with current status when an exact join is not immediately possible.
    • (i) Replace the paragraph with: If two ongoing surveys of the same order of mapping are being joined, an exact join is required. Exact joins are required between two adjacent survey areas if both of the areas were correlated after January 1993.
    • (ii) Replace the first two sentences with: If an ongoing survey is being joined with a modern correlated survey and both surveys are of the same order, an acceptable join is required. The lines should be joined exactly between surveys, and soil taxa and interpretations are to be the same or similar. Where obvious errors in the previously correlated survey are documented and preclude the practical resolution of the join in a timely manner, the mis-join is documented in the correlation of the ongoing survey and with the official copy of the previously correlated survey for future resolution at an update. In some instances, the join may require the addition of small acreage map units to the ongoing soil survey or corrections on the maps of the recently correlated soil survey.
    • (iii) Replace with: If two soil surveys of different orders of mapping are being joined, an acceptable join is in effect since the boundary between soil survey areas also serves as soil area boundaries. A note is printed parallel to the boundaries that separate the areas of each survey order, such as "Limit of Order 3 Survey". Chapter 2 of the Soil Survey Manual provides more information. Each soil line in the survey of lower intensity must have a corresponding soil line in the adjacent survey of higher intensity, but the converse is not required. Named taxa of a map unit from the survey of lower intensity share a common taxonomic class, at some categorical level, with a named taxon from at least one of the map units in the adjacent survey of higher intensity.
    • (iv) Replace with: If an ongoing soil survey borders a survey area that requires extensive revision and is out-of-date and therefore acknowledged as being obsolete, it is not necessary to attain an exact or acceptable join or revise any part of the out-of-date survey until such time as a maintenance project is initiated. The joining statement in the correlation should state the situation.
    • Add the following: (v) When two previously correlated surveys are prepared for SSURGO, an acceptable join is adequate. In this instance there is usually no Project Office staff available to investigate join discrepancies in the field. Adjust lines and associated data as is practical from the office to affect the best possible acceptable join. This generally involves moving lines slightly to conform with new imagery and to come together at the same point along the survey boundary, and coordinating the boundary between the two surveys. At the discretion of the state soil scientist and MLRA office, it may also involve recorrelation of soils in one or both of the survey areas. Digital soil surveys and join documentation and statements in the correlation and its addendums are tools for future update activities to implement MLRA legends and exact joins. The MLRA office initiates a plan for completing an exact join between soil surveys that have been joined for expediency with an acceptable join.
  • Part 609.06 (c) (5)
    • Last paragraph now reads: Amendments to the final correlation document are given the same signatures and distribution as the original document.
  • Exhibit 609-1
    • Add EEO statement to the heading: The United States Department of Agriculture (USDA) prohibits discrimination in its programs on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, and marital or familial status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at 202-720-2600 (Voice and TDD). To file a complaint, write the Secretary of Agriculture, U.S. Department of Agriculture, Washington, D.C., 20250, or call 1-800-245-6340 (voice) or (202) 720-1127 (TDD). USDA is an equal employment opportunity employer.

6. Part 610

  • Part 610.01 (d) - Add the following statement: --preparing and signing amendments to the correlation
  • Part 610.07 - Add the following statement after the second sentence: The MLRA office and State Conservationist sign the amendment. Distribution is the same as the final correlation. Refer to part 609.06 (c) (5).

7. Part 617

  • Part 617.04 and 617.05 - Change reference to part 617.11 to part 617.10
  • Part 617.10 Step 6 (b) - Add at the end of the paragraph: The new interpretation generator recognizes the progressive effect of a property on the interpretation. The curve for approximate reasoning (fuzzy logic) reflects the increasing, decreasing, or constant effect that varying degrees of a property have on the interpretation. This is implemented in the evaluation phase of the interpretation generator.

8. Part 618

  • Part 618.01 (c) - Add to the end of the paragraph the following statement: This includes all data elements listed in part 618.
  • Part 618.10 Climatic Setting
    • First paragraph, first sentence - Add evapotranspiration
    • First paragraph, second sentence - Replace frost-free period, precipitation, and temperature with: These elements
    • Add (d) and (e) below:
      (d) Daily Average Precipitation

      (1) Definition. Daily average precipitation is the total precipitation for the month divided by the number of days in the month for the standard "normal" period, 1961-1990.
      (2) Entries. Enter the high, low, and representative value in mm. The range of allowed entries is 0 to 750 mm.

      (e) Daily Average Potential Evapotranspiration

      (1) Definition. Daily average potential evapotranspiration is the total monthly potential evapotranspiration divided by the number of days in the month for the standard "normal" period, 1961-1990.
      (2) Entries. Enter the high, low, and representative value in mm. The range of allowed entries is 0 to 300 mm.
  • Part 618.43 (d)
    • Remove and pararock from first sentence of this part

       
    • At the end of last paragraph, add the following statement: Pararock fragments are not cemented strongly enough to be retained on sieves. They are crushed and estimated into percent passing sieves. ASTM procedures use a roller crusher as a pretreatment of the soil material prior to sieving. Field estimates should try to replicate this procedure.
  • Part 618.67 (h) (2)
    • Renumber vii, viii, and ix to vi, vii, and viii
    • Add (ix) and (x)

      (ix) Limnic materials are used as modifiers to texture to describe the origin or the material. These materials were deposited in water by precipitation or through the action of aquatic organisms or derived from plants and organisms. These modifiers are used to indicate presence and origin without respect to any set amount. Refer to the Keys to Soil Taxonomy for complete definitions of limnic materials.
      Coprogenous -- Coprogenous-earth or sedimentary peat is limnic layer which contains many very small (0.1 to .001 mm) fecal pellets.
      Diatomaceous -- Diatomaceous-earth is a limnic layer composed of diatoms.
      Marly -- Marl is a limnic layer that is light colored and reacts with HCl.

      (x) Permanently frozen -- Term applied to soil layer in which the temperature is perennially at or below 0 degrees C, whether its consistence is very hard or loose.
  • Exhibit 618-15 - Remove SR Stratified (Stratified is handled as a YES or NO entry with NASIS)

9. Part 622

  • Part 622.01 Policy and responsibilities: Remove the third paragraph referring to the regional office
  • Part 622.03 (d) - Change entries 2 through 70 and add 10 as follows:

    2 - Prime farmland if drained.
    3 - Prime farmland if protected from flooding or not frequently flooded during the growing season.
    4 - Prime farmland if irrigated.
    5 - Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season.
    6 - Prime farmland if irrigated and drained.
    7 - Prime farmland if irrigated and either protected from flooding or not frequently flooded during the growing season.
    8 - Prime farmland if subsoiled, completely removed the root inhibiting soil layer.
    9 - Prime farmland if irrigated and the product of I (soil erodibility) x C (climate factor) does not exceed 60.
    10 - Prime farmland if irrigated and reclaimed from excess salts and sodium.
    30 - Farmland of statewide importance.
    50 - Farmland of local importance.
    70 - Farmland of unique importance.
  • Part 622.09 (a)
    • Rename the section to Rangeland
    • Delete first paragraph (Range is any land ...). Intent: Range is a land use not an ecological group.
    • Move third paragraph (Rangeland is land on which ...) to the first paragraph
    • Delete last paragraph (Forested range is forestland that ...). Intent: Forested range is a land use, not an ecological group.
    • Change the name of Part 622.09 to Rangeland in the contents at front of part 622 and in the detailed table of contents

10. Part 623

  • Part 623.01 (a) - Change "are" to and in last sentence

11. Part 627

  • Part 627.04 (e) (1) (i) - After the third sentence add: Avoid using the lowercase letters "i", "j", "q", and "l" because, when handwritten, these letters are easily confused with other letters or the number 1.

12. Part 630

  • Exhibit 630-2 Benchmark Soil List By State - Add the Ohio benchmark soils
OH Bennington fine, illitic, mesic Aeric Epiaqualfs
OH Canfield fine-loamy, mixed, mesic Aquic Fragiudalfs
OH Celina fine, mixed, mesic Aquic Hapludalfs
OH Chagrin fine-loamy, mixed, mesic Dystric Fluventic Eutrochrepts
OH Chili fine-loamy, mixed mesic Typic Hapludalfs
OH Cincinnati fine-silty, mixed, mesic Oxyaquic Fragiudalfs
OH Clermont fine-silty, mixed, mesic Typic Glossaqualfs
OH Conneaut fine-silty, mixed, nonacid, mesic Aeric Epiaquepts
OH Glynwood fine, illitic, mesic Aquic Hapludalfs
OH Guernsey fine, mixed, mesic Aquic Hapludalfs
OH Hanover fine-loamy, mixed, mesic Typic Fragiudults
OH Hoytville fine, illitic, mesic Mollic Epiaqualfs
OH Latty fine, illitic, mesic Typic Epiaquepts
OH Loudonville fine-loamy, mixed, mesic Ultic Hapludalfs
OH Mahoning fine, illitic, mesic Aeric Epiaqualfs
OH Mermill fine-loamy, mixed, mesic Mollic Epiaqualfs
OH Miamian fine, mixed, mesic Oxyaquic Hapludalfs
OH Millgrove fine-loamy, mixed, mesic Typic Argiaquolls
OH Olentangy fine-silty, mixed, nonacid, mesic Histic Humaquepts
OH Paulding very-fine, illitic, nonacid, mesic Typic Epiaquepts
OH Platea fine-silty, mixed, mesic Aeric Fragiaqualfs
OH Rossmoyne fine-silty, mixed, mesic Aquic Fragiudalfs
OH Toledo fine, illitic, nonacid, mesic Mollic Endoaquepts
OH Wellston fine-silty, mixed, mesic Ultic Hapludalfs
OH Wooster fine-loamy, mixed, mesic Oxyaquic Fragiudalfs

13. Part 639

  • Part 639.02 (b)
         
         
         
         
         
          
      
            
    • 2nd paragraph., 2nd sentence: indicated by the NASIS site
            and group columns
      •
  • Part 639.06 (a) - General Changes                                                  
    • Change database object to NASIS site object
    • Change database table to NASIS site table
    • Change National Soil Information System database to             National Soil Information System site
  • Part 639.06 (a) - Specific Changes                                                  
    • Title line: The NASIS site object
    • 1st line: The purpose of the NASIS site object is            
    • 6th line: site has an entry in the NASIS site             object and
    • 2nd paragraph: The NASIS site object includes the             NASIS site, group, user, and
    • 3rd paragraph: The NASIS site table lists             all NASIS sites and users. This table enables the National             Soil Information System to share data from site to site. NASIS             site records accompany requested data. The fields in this             table identify the NASIS site and who to contact if             you have any questions about that data.
    • 5th paragraph: Descriptions for data elements in the NASIS             site object are available in National Soil Information             System on-line documentation.
    • 8th paragraph: Authority to edit a NASIS site             object is limited to a user who has NASIS manager privileges for             that object.
  • 639.06 (a) (1)                                                  
    • (1) NASIS site table: database iid (on screen             label: Rec ID).
                 
                  (i) Definition. Database iid is the identification number of the                                                             NASIS site that created a particular entity. This is a             required integer field that uniquely identifies the local             NASIS site. This number must be obtained from the soil             hotline staff BEFORE the National Soil Information System site             is installed.
    • (2) NASIS site table: database name (on screen             label:NASIS site name).
                 
                  (i) Definition. Database name is the name of a particular National             Soil Information System site. The database name has a             required 30 character field that records the name that identifies             the local site. This name must be obtained from the             soil hotline staff BEFORE the National Soil Information System                                                             site is installed. This is the source of the NASIS             site name that is displayed in the National Soil Information             System edit windows.
    • (3) NASIS site table: database description (on             screen label: Description).
                 
                  (i) Definition. Database description is a narrative text entry that             contains information about a particular National Soil Information             System site. The database description has an optional             60 character field that describes the site to other             locations.
    • (4) NASIS site table: database state (on screen             label: State).
                 
                  (i) Definition. Database state is the name of the state in which a             particular National Soil Information System site             resides. It is expressed as the Federal Information Processing             Standards (FIPS) alpha state code.
    • (5) NASIS site table: database county (on screen             label: County).
                 
                  (i) Definition. Database county is the name of the county or other             division in which a particular National Soil Information System                                                             site resides.
    • (6) NASIS site table: database city (on screen             label: City).
                 
                  (i) Definition. Database city is the name of the city or other             location in which a particular National Soil Information System                                                             site resides.
    • (7) NASIS site table: database office type (on             screen label: Off Type).
                 
                  (i) Definition. Database office type is the name for the type of             office in which a particular National Soil Information System                         site resides.
                  (ii) Classes. Add: other Other type of office
    • (8) NASIS site table: database contact (on screen             label: Contact).
                 
                  (i) Definition. Database contact is the name of the primary contact             person for a particular National Soil Information System site.
    • (9) NASIS site table: database phone             (on screen label: Phone).
    • (10) Group table: group name (on screen label: Group).
                 
                  (i) Definition. Group name is the name of a particular National Soil             Information System group in a particular National Soil Information             System site.
    • (14) User table: user name (on screen label: User).
                 
                  (i) Definition. User name is the name of a particular National Soil             Information System user in a particular National Soil Information             System site.
  • 639.06 (b) The query object.                                                  
    • 2nd paragraph: The query object comprises the query table.             Ownership of a specific query object is indicated by the site             and group columns in the query table. Authority to edit the query             object is limited to users who are members of the group that owns             the query.

14. Part 647

  • Part 647.01 (a) (5); 647.03 (b), (d), and (e); part 647.07 (h)           (2); part 647.08 (b); 647.09 (a); and under Postscript Plot files -           Change Exhibit 627-4 to Exhibit 627-5
  • 647.01 (b) (2) Soil Survey Project Office - Add the following           responsibilities:                                                  
    • achieving an exact or an acceptable join as described in             part 609.05 for soil surveys in progress,
    • supervising map compilation (or coordinate with dedicated             map compilation units if established) for soil surveys in progress             in preparation for digitizing and publication as described in NSSH             part 647,
    • quality control of map compilation activities (100% check)             for soil survey in progress,
    • quality control of all phases (soil business) of soil             survey in progress,
    • assisting in development of field correlation under             direction of the MLRA office, and
    • initiating documentation on joins.
  • 647.01 (b) (3) MLRA Office - Replace the section with the           following:                                                  
    • providing technical oversight and quality assurance for             all phases of active soil survey projects;
    • assuring that exact or acceptable joins are achieved;            
    • performing correlation activities in a manner that will             lead to a coordinated soil survey throughout MLRAs and between MLRAs;            
    • approving all correlation documents, including amendments             to previously correlated surveys, in coordination with the             appropriate state conservationist;
    • assuring the quality of all map compilation/recompilation             through a 10% check and certification (a locally administered             certification process may be established where dedicated compilation             units exist);
    • assuring the quality of soil databases;
    • assisting states in the preparation of metadata;            
    • informing states of any deficiencies in work submitted for             review and assisting states with the resolution of theses problems;            
    • coordinating with states as needed for delivery of all map             materials, soil data, and metadata to the digitizing unit for             processing;, and
    • initiating plans for completing an exact join between soil             surveys that have been joined for expediency with an acceptable             join.
  • Add the following section: 647.01 (b) (4) State Offices
                                                      The state office is responsible for:                                                  
    • determining priorities for soil survey areas to be             digitized within each state;
    • identifying and working with organizations outside of NRCS             that can help us achieve our digitizing goals and coordinating with             digitizing units and MLRA offices concerning these activities;            
    • deploying sufficient staff to achieve agreed upon goals             for the digitizing initiative;
    • obtaining all map materials needed in the state to perform             map compilation/recompilation activities, including those needed for             a check of joins with other survey areas;
    • coordinating with soil survey project offices in the state             concerning the flow of map compilation work for soil surveys in             progress;
    • supervising recompilation (or coordinating with dedicated             map compilation units if established);
    • reviewing joins with surrounding surveys and making             corrections to achieve an acceptable join for recompilation of             existing surveys;
    • quality control of map recompilation activities (100%             check);
    • initiating correlation amendments/supplements through the             MLRA office as needed for SSURGO for recompiled soil surveys;            
    • preparing and providing metadata for all             compiled/recompiled surveys from the state which are submitted to             digitizing units (through the MLRA office) for digitizing;            
    • downloading soils data for SSURGO for all             compiled/recompiled surveys from the state which are submitted to             digitizing units (through the MLRA office) for digitizing; and            
    • certifying, following quality review and completion of             digitizing.
  • Add the following section: 647.01 (b) (5) Digitizing Units
                                                      Digitizing units are responsible for:                                                  
    • coordinating compilation/recompilation and soil business             activities with states and MLRA offices to ensure an orderly flow of             work for all soil surveys which are to be digitized through the             digitizing unit;
    • performing pre-certification review of submitted             materials;
    • notifying MLRA offices of any problems discovered during             pre-certification review which require action by the MLRA office or             states prior to certification;
    • digitizing compiled map materials including scanning soil             lines, labeling, and edge matching;
    • performing quality control of final digital data including             spatial, tabular, and metadata;
    • coordinating with the MLRA office to obtain a SSURGO             certification letter from the state conservationist of the state             whose survey is digitized; and
    • submitting certified SSURGO data to National Cartography             and Geospatial Center for 10% quality review, and for archiving and             distribution.
  • Change NCG responsibilities to 647.01 (b) (6) National           Cartography and Geospatial Center and replace with the           following:
                                                      The National Cartography and Geospatial Center is responsible           for:                                                  
    • providing training in SSURGO quality assurance activities;            
    • providing technical assistance to states, MLRA offices,             and digitizing units in spatial, tabular and metadata development to             meet SSURGO specifications;
    • communicating changes/updates and enhancements to SSURGO             certification routines and procedures;
    • performing 10% review of SSURGO materials received from             digitizing units;
    • archiving and distributing certified SSURGO data;            
    • developing and updating map compilation, digitizing, and             map finishing procedures; and
    • coordinating and implementing software updates to reflect             changes in standards.
  • Add the following section: 647.01 (b) (7) Regional Offices
              The regional offices are responsible for:                                                      
    • allocating funds to states, MLRAs, and digitizing units to             be used for soil survey digitizing and SSURGO development;            
    • incorporating soil survey digitizing and SSURGO             development performance measures in strategic plan; and
    • providing oversight and evaluation to ensure that desired             outcomes are met.
  • Change the NSSC responsibilities to 647.01 (b) (8)           and replace the responsibilities with the following:                                                  
    • developing standards, guidelines, and procedures for all             aspects of soil survey work, soil map development, and SSURGO             certification;
    • developing and applying geographic information systems for             use with soil survey activities; and
    • developing, maintaining, and improving soil survey             geographic databases.
  • Add the following section: 647.01 (b) (9) National           Headquarters
                                                      The Soil Survey Division and National Soil Information           Coordinator are responsible for:                                                  
    • reviewing and monitoring the SSURGO development process;            
    • issuing policy; and
    • coordinating with states, MLRA offices, regional offices,             National Cartography And Geospatial Center, and National Soil Survey             Center on soil survey compilation, digitizing, and map finishing             issues.
  • 647.03 (e) (3) - Replace (i) with the following:                                                  
    • (i) Soil area boundaries. All soil, miscellaneous, and             water areas that occupy area are delineated as map units. Their             boundaries will be accurately transferred from field sheets to the             compilation documents. All feature edges will be matched and             extended across the neatline of all adjoining sheets to ensure             accuracy in the joining. Any discrepancies between matches should be             resolved and approved by the MLRA office.
  • Part 647.03 in the paragraph preceding (g) - Add (f)           to Ad hoc features
  • Part 647.05                                                  
    • Add (a) Planimetric correct base as headline to             the first paragraph
    • Add (b) Line adjustment as headline to the second             paragraph
    • Add (c) Documenting changes in line placement as             headline to the third paragraph
    • Change wording in the third paragraph to be: Document             changes in line placement and, if needed, provide a supplement ...            
    • Change (1) Minimal Requirements to (d) Minimal             Requirements
    • Change (I) Memorandum of Understanding to (1) Memorandum             of Understanding
    • Change (ii) Supplement To A Published Soil Survey Map to             (2) Supplement to a published soil survey map
    • Change (iii) Classification and Correlation Document to             (3) Classification and correlation document
  • Exhibit 647-1 - Suggested Compilation Edit Checklist                                                  
    • Replace the statement in the Soils Section that states:
                  "___ A quality join exists with adjoining soil survey areas."
                              with
                                                                  ___ An exact or acceptable (choose one) join exists with             adjoining ___________________soil survey area. (repeat for each             adjoining survey area.)
  • Exhibit 647-3 Map Compilation Certification                                                  
    • Replace statement 3 with: 3. Map unit delineations and             their symbols match across map boundaries and an exact or acceptable             (choose one for each adjacent survey) join has been achieved with             adjacent surveys.
  • Exhibit 647-4 Supplement To A Published Soil Survey Map                                                  
    • In the last sentence of the first paragraph change the word             improved to enhanced
  • Exhibit 647-11 SSURGO Metadata Template                                                  
    • Under Data Quality Information remove the phrase and are             current as of the date of digitizing from the end of the first             paragraph
  • Exhibit 647-12 Checklist for SSURGO Data                                                  
    • Replace the statement below under the Accuracy title:
                  Soil delineations and map unit composition match across soil survey             area boundaries.
                              with:
                                                                  Soil delineations and map unit composition have an exact or             acceptable (choose one) join across soil survey area boundaries.                                                            

15. Part 648

  • 648.03 (a) (1) - Change Part 647.10 to Part 647.07          
  • 648.04 (d) - Change the 2nd paragraph (d) to (e) and           the following to (e) to (f)

16. Part 649

  • Exhibit 649-1                                                  
    • Remove 106 from MO10 and add 106 to MO 5            
    • Remove 30 from MO 8 and add 30 to MO 2
    • Add 31 to MO 2 list (MLRA 31 is shared between MO             2 and MO 8)

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