REVISED NH METHOD DOCUMENTS

Note:  An update to the Revised NH Method was issued in late summer 2012.  The links below will take you to the updated documents.  The wetland evaluation units in Grantham's Wetlands Inventory were evaluated using the 2011 Revised NH Method.  Copies of the 2011 versions are attached as PDF documents at the bottom of this page. 

1. Revised NH METHOD - Entire Document (PDF 11.9 MB)
         (This document takes about 1 minute to download with high-speed internet access.)

2. Revised NH METHOD - By Section
       (Click on underline words below to download section)

    a. Section 1: Cover, Table of Contents, Introduction (PDF 482KB)

    b. Section 2: How the NH Method Works (PDF 917KB)

    c. Section 3: Using the NH Method (Directions) (PDF 805KB)

    d. Section 4: NH Method Data Sheets (PDF 645KB)

            Click hereto obtain EXCEL version of Data Sheets
              ( for electronic data entry) available on NH Method main page.

    e. Section 5: Interpreting and Analyzing Results (PDF 3,330KB)

    f.  Appendix A: Wetland Resources and References (PDF 338KB)

    g. Appendix B: Instructions for Answering Questions
               Using the GRANIT Data Mapper (PDF 432KB)

    h. Appendix C: Instructions for Answering Questions Using GIS (PDF 339KB)

    i. Appendix D: Wetland Soils Tables (NRCS data) (PDF 796KB)

    j. Appendix E: Samples

               Sample Application of the NH Method (PDF 715KB)

               Sample Wetland Maps (PDF 475KB)

    k. Appendix F: Cowardin System of Wetland Classification (1979) and
               the National Wetlands Inventory (PDF 963KB)

    l. Appendix G: Interpreting Topographic Maps and 
               Drawing Watershed Boundaries (PDF 708KB)


2011 Versions of Revised NH Method