Our Publications

The following is a list of publications by Wetland Training Institute partners and instructors. Please follow the links provided or visit our online store to purchase copies as appropriate.

Publications Available in our Store

Nationwide Permits Complete 2026 Edition by Robert J. Pierce, David Dearing, and Sam Collinson, is the 7th revision of NWPs Complete. Organized for quick and ready reference, the entire texts of the NWPs, General Conditions, and the Regulations at CFR 330 are presented in sequence and followed, in italics, by the pertinent and substantive parts of the 2021/2022 and past preambles associated with each. Link: https://wetlandtraining.com/product/book-nationwide-permits-2026/

Pocket Guide to Hydric Soil Field Indicators – 2025 The 2025 Pocket Guide to Hydric Soil Field Indicators is taken from Version 9.0 (2024) of the NRCS Field Indicators of Hydric Soils in the United States (FIHS) and includes revised simplified keys (plus a new key for contrast determinations), retains its compact format with maps and diagrams, and reduces most color figures to keep costs low while enlarging key visuals. Link: https://wetlandtraining.com/product/2025-pocket-guide-to-hydric-soil-field-indicators-book/

Wetland Mitigation: Planning Hydrology, Vegetation, and Soils for Constructed Wetlands by Gary J. Pierce with contributing editors Mallory N. Gilbert and Robert J. Pierce. For those who work in wetlands, this book is the A to Z of construction and restoration. It focuses on the importance of water to wetland construction. Purchase of the book entitles the buyer to access a secure website that contains an Excel program to prepare annual hydrographs based on monthly data sets. An instruction guide accompanies the program. Link: https://wetlandtraining.com/product/wetland-mitigation-book/

Publications by Author

Paul Adamus, Ph.D.

• Hydrogeomorhic (HGM) Assessment Guidebook for Tital Wetlands of the Oregon Coast – Part 1. Rapid Assessment Method – Paul Adamus, Ph.D – 2006 Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Adamus_OregonTidalWetlandsHGMMethod-part1.pdf

David Dearing

• Agencies Decide NWPR is no longer valid following court decision – 2021 Link:  https://wetlandtraining.com/wp-content/uploads/2021/09/ArizonaDecisionArticle-Dearing.pdf
  
• Comments on Proposed Clean Water Rule, David Dearing – 2019 / Link: https://wetlandtraining.com/wp-content/uploads/2019/05/DED-comments-on-proposed-Clean-Water-Rule.pdf
• Comments on Clean Water Act Jurisdiction following the U.S. Supreme Court’s Decision in Rapanos v. United States and Carabell v. United States – David E. Dearing – 2007 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Comments-on-Clean-Water-Act-Jurisdiction-following-the-U.S.-Supreme-Court’s-Decision-in-Rapanos-v.-United-States-and-Carabell-v.-United-States-–-David-E.-Dearing-2007.pdf
• The Continued Highway Requirement as a factor in Clean Water Act Jurisdictions – David E. Dearing – 2007
  Link: https://wetlandtraining.com/wp-content/uploads/2019/01/DearingGSL-article-final-from-ELI.pdf

Wesley M. Knapp

• Knapp, W.M. & R.F.C. Naczi. Vascular Plants of Maryland, USA: A Comprehensive Account of the State’s Botanical Diversity. Link: https://smithsonian.figshare.com/articles/book/Vascular_Plants_of_Maryland_USA_A_Comprehensive_Account_of_the_State_s_Botanical_Diversity/14605674?file=28039059
• Longbottom, W., R.F.C. Naczi & W.M. Knapp. 2016. Flowering Plant Species New to Delaware and Maryland. Schuyler Festschrift. Bartonia 69:5-19.
• Knapp, W.M. 2016. Juncaceae, the Rush Family in R.F.C. Naczi, J.R. Abbott and Collaborators, New Manual of Vascular Plants of the Northeastern United Stated States and Adjacent Canada, Online edition of 2016, NYBG Press https://www.researchgate.net/publication/301314166_New_Manual_of_Vascular_Plants_of_Northeastern_United_States_and_Adjacent_Canada
• Sorrie, B.A. & W.M. Knapp. 2015. Juncus pp. 249-256. In A. Weakley, Flora of the Southern and Mid-Atlantic States (Working Draft 21 May 2015).
• Knapp, W.M. 2015. Juncaceae & Rhynchospora Treatments in Chester, E.W., S.E. Wofford, J. Shaw, D. Estes & D. Webb. Guide to the Vascular Plants of Tennessee.
• Knapp, W.M. 2014. Erratum. Phytotaxa 181 (3): 192–192. DOI: http://dx.doi.org/10.11646/phytotaxa.181.3.9
• Knapp, W.M. 2014. Juncus fascinatus (Juncaceae), a new combination in Juncus sect. Ozophyllum and notes on morphologically similar species. Phytotaxa 174(5) 243-260. DOI: http://dx.doi.org/10.11646/phytotaxa.174.5.1
• Knapp, W.M. & R. Wiegand. 2014. Orchid (Orchidaceae) decline in the Catoctin Mountains, Frederick County, Maryland as documented by a long-term dataset. Biodiversity and Conservation. 23(8):1965-1976. DOI: http://dx.doi.org/10.1007/s10531-014-0698-2

Charles J. Newling, PWS, CWB

• Personal Recollections on the Origins of Federal Wetland Training – Charles J. Newling – 2006 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Personal-Recollections-on-the-Origins-of-Federal-Wetland-Training-–-Charles-J.-Newling-2006.pdf

Charles J. Newling, PWS, CWB and Robert J. Pierce, Ph.D.

• Preparing a Delineation Report – WTI / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Preparing-a-Delineation-Report.pdf

Robert J. Pierce, Ph.D.

• Comments on NWP Proposed Rule, Robert Pierce – 15 September 2020 / Link: https://wetlandtraining.com/wp-content/uploads/2021/01/RJP-Comments-on-NWP-Proposed-Rule-15-September-2020.pdf
  
• Statement before the Subcommittee on Fisheries, Water, and Wildlife Legislative Hearing on S. 1140, The Federal Water Quality Protection Act – Robert J. Pierce, Ph.D. – 2015 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/rj-pierce-testimony-on-Fed-Water-Qual-Protect-Act-5_19_2015.pdf
• Report on Conditions on and Adjacent to the Appel Property – 111 Creek Road, Ojai, Ventura County, CA – Relative to Section 404 of the Clean Water Act – Robert J. Pierce, Ph.D. – 2014 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Report-on-Conditions-on-and-Adjacent-to-the-Appel-Property-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2014.pdf
• Comments on Notice to Proposal to Reissue and Modify Nationwide Permits – Robert J. Pierce, Ph.D., PWS, CWD – 2011 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Comments-on-Notice-to-Proposal-to-Reissue-and-Modify-Nationwide-Permits-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2011.pdf
• Prediction of Transmission Losses in Ephemeral Streams, Western U.S.A. – Robert J. Pierce, Ph.D., PWS, CWD with Dr. Joseph Cataldo, PE, Christsopher
  Behr, and Dr. Franco Montalto – 2010 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/transmission-loss-paper-2010.pdf
• Comments on EPA and Army Corps of Engineers Guidance Regarding Clean Water Act Jurisdiction after Rapanos – Robert J. Pierce, Ph.D., PWS, CWD –
  2008 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Comments-on-EPA-and-Army-Corps-of-Engineers-Guidance-Regarding-Clean-Water-Act-Jurisdiction-after-Rapanos-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2008.pdf
• Review of the Draft Regional Supplement to the Corps of Engineers Wetland Delineation Manual – Arid West Region (Supplement) – Robert J. Pierce, Ph.D., PWS, CWD / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Review-of-the-Draft-Regional-Supplement-to-the-Corps-of-Engineers-Wetland-Delineation-Manual-Arid-West-Region-Supplement-–-Robert-J.-Pierce-Ph.D.-PWS-CWD.pdf
• Comments on the DRAFT Interim Regional Supplement to the Corps of Engineers Wetland Delineation Manual – Atlantic and Gulf Coastal Plain Region – Robert J. Pierce, Ph.D., PWS, CWD – 2007 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/CommentsAGCPR.pdf
• Some History of the Ordinary High Water Mark – Robert J. Pierce, Ph.D. – 2006 / Link: https://wetlandtraining.com/wp-content/uploads/2019/02/history-of-OHWM.pdf
• Comments on EPA and Army Corps of Engineers Guidance Regarding Identification of Waters Protected by the Clean Water Act – Robert J. Pierce,
  Ph.D., PWS, CWD / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Comments-on-EPA-and-Army-Corps-of-Engineers-Guidance-Regarding-Identification-of-Waters-Protected-by-the-Clean-Water-Act-–-Robert-J.-Pierce-Ph.D.-PWS-CWD.pdf
• Transmission Loss Assessment, Phase 1, Part 2 – Robert J. Pierce, Ph.D., PWS, CWD with Dr. Joseph Cataldo, PE, Christsopher Behr, and Dr. Franco Montalto – 2005 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Transmission-Loss-Assessment-Phase-1-Part-2-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-with-Dr.-Joseph-Cataldo-PE-Christsopher-Behr-and-Dr.-Franco-Montalto-2005.pdf
• Transmission Loss Assessment, Phase 1, Part 1 – Robert J. Pierce, Ph.D., PWS, CWD with Dr. Joseph Cataldo, PE, Christsopher Behr, and Dr. Franco Montalto – 2004 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Transmission-Loss-Assessment-Phase-1-Part-1-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-with-Dr.-Joseph-Cataldo-PE-Christsopher-Behr-and-Dr.-Franco-Montalto-2004.pdf
• 2004 ALI-ABA OHW Presentation – Robert J. Pierce, Ph.D., PWS, CWD / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/2004-ALI-ABA-OHW-Presentation-–-Robert-J.-Pierce-Ph.D.-PWS-CWD.pdf
• US Senate Subcommittee Statement – Robert J. Pierce, Ph.D., PWS, CWD – 2003 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/US-Senate-Subcommittee-Statement-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2003.pdf
• Technical Principles Related to Establishing the Limits of Jurisdiction for Section 404 of the Clean Water – Robert J. Pierce, Ph.D., PWS, CWD –2003 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Technical-Principles-Related-to-Establishing-the-Limits-of-Jurisdiction-for-Section-404-of-the-Clean-Water-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2003.pdf
• The Wetlands Permitting Process – Is It Working Fairly – Robert J. Pierce, Ph.D., PWS, CWD – 2001 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/The-Wetlands-Permitting-Process-Is-It-Working-Fairly-–-Robert-J.-Pierce-Ph.D.-PWS-CWD-2001.pdf
• Comprehensive Wetland Delineation – Oah’u, Hawai’i – Robert J. Pierce, Ph.D. with Group 70 International – 2012
  • Part 1: Comprehensive Wetland Delineation – Oah’u, Hawai’i – Report + App A-H / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Comprehensive-Wetland-Delineation-Oahu-Hawaii-Report-App-A-H.pdf
  • Part 2: Comprehensive Wetland Delineation – Oah’u, Hawai’i – Appendix C, part 2 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Appendix-C.pdf

Gary Pierce, Ph.D.

• Wetland Mitigation: Planning Hydrology, Vegetation, and Soils for Constructed Wetlands – 2015 (excerpts) / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Wetland-Mitigation-excerpts-2015.pdf
• Meterorological Data to Evaluate Wetland Hydrology – by Sprecher and Warne, for use with the Internet References for Wetland Mitigation CD compiled by Gary Pierce – 2000 / Link: https://wetlandtraining.com/wp-content/uploads/2019/01/Meteorological_Data_To_Evaluate_Wetland_Hydrology.pdf

Joe R. Thomasson, Ph.D.

• Identifying and Keying Grasses, Sedges and Rushes
• Dr. Joe Thomasson Provides Professionals with Skills to Identify More Plants

Michael Whited, CPSS, CPSC, PWS

• Gilbert, Michael C., P. Michael Whited, Ellis Clairain, Jr., and R. Daniel Smith. 2006. A Regional Guidebook for Applying the Hydrogeomorphic Approach to Assessing Wetland Functions of Prairie Potholes. USCOE ERDC/EL TR-06-5. Link: https://wetlands.el.erdc.dren.mil/pdfs/trel06-5.pdf
  • Stutheit, Randy G., Michael C. Gilbert and P. Michael Whited. 2004. A Regional Guidebook for Applying the Hydrogeomorphic Approach to Assessing Wetland Functions of Rainwater Basin Depressional Wetlands in Nebraska. USCOE ERDC/EL TR-04-4. Link: https://wetlands.el.erdc.dren.mil/pdfs/trel04-4.pdf#view=fit&pagemode=none

First, and several subsequent editions of:

• New England Hydric Soils Technical Committee. 2004. 3rd ed., Field Indicators for Identifying Hydric Soils in New England. New England Interstate Water Pollution Control Commission, Lowell, MA. 2018 edition link: https://sites.google.com/view/nehstc/home
• United States Department of Agriculture, Natural Resources Conservation Service. 1996. Field indicators of hydric soils in the United States, version 3.2. G.W. Hurt, P.M. Whited, and R.F. Pringle (editors). In cooperation with the National Technical Committee for Hydric Soils.