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United States Army Corps of Engineers (USACE)
- USACE – Final Fall 2023 Long-Term Monitoring Event 22 Letter Report – June 2024
- USACE – Final Spring 2023 Long-Term Monitoring Event 21 Letter Report – April 2024
- USACE – Final Fall 2022 Long-Term Monitoring Event 20 Letter Report – April 2024
- USACE – Final Pump, Treat, Inject Pilot Study System Operation & Maintenance Technical Memorandum – March 2024
- USACE – Final Spring 2022 Long-Term Monitoring Event 19 Letter Report – January 2024
- USACE – Final 2021 Pilot Study PM Report – February 2023
- USACE – Final Data Gaps Construction Completion Report – 2021 Well Installation – December 2022
- USACE – Final Pump, Treat, and Inject Pilot Study Construction Completion Report – December 2022
- USACE – Final Fall 2021 Long-Term Monitoring Event 18 Letter Report – November 2022
- USACE – Final Spring 2021 Long-Term Monitoring Event 17 Letter Report – November 2022
- USACE – Final Passive Diffusion Bag Report – June 2022
- USACE – Final Train Study – March 2022
- USACE – Final Fall 2020 Long-Term Monitoring Event 16 Letter Report – September 2021
- USACE – Final Data Gaps Interim Construction Completion Report – September 2021
- USACE – Final Performance Monitoring Report – September 2021
- USACE – Final PDB Demonstration Study – July 2021
- USACE – Final Spring 2020 Long-Term Monitoring Event 15 Letter Report – April 2021
- USACE – Final Injection Completion Report – March 2021
- USACE – Final Letter Report for Fall 2019 Residential Wells Interim Monitoring and Operations and Maintenance of Residential Well GAC Systems – April 2020
- USACE – Final Area-Wide Remedial Investigation – August 2020
- USACE – Final Area-Wide Remedial Investigation – Appendices
- USACE – Final Fall 2019 Long-Term Monitoring Event 14 Letter Report – August 2020
- USACE – Final Spring 2019 Long-Term Monitoring Event 13 Letter Report – July 2020
- USACE – Final 2018 RI Technical Memorandum, Downgradient Areas Investigation – January 2020
- USACE – Final 2018 Remedial Investigation Technical Memorandum, Downgradient Areas Investigation – Appendices
- USACE – Final Fall 2018 Long-Term Monitoring Event 12 Letter Report – December 2019
- USACE – Final Letter Report for Fall 2018 Residential Wells Interim Monitoring and Operations and Maintenance of Residential Well GAC Systems – June 2019
- USACE – Final Spring 2018 Long-Term Monitoring Event 11 Letter Report – April 2019
- USACE – Final Spring 2018 Long-Term Monitoring Event 11 Letter Report – Appendices
- USACE – Remedial Investigation Technical Memorandum 2017 Source-Area Investigation – April 2019
- USACE – Remedial Investigation Technical Memorandum 2017 Source-Area Investigation – Appendices
- USACE – Long-Term Monitoring Event 10 Letter Report Fall 2017 – November 2018
- USACE – Long-Term Monitoring Event 10 Letter Report Fall 2017 – Appendices
- USACE – Final 2017 Technical Memorandum—Acquisition, Processing, and Interpretation of Reflection/Refraction Seismic Surveys – November 2018
- USACE – Final 2017 Technical Memorandum—Acquisition, Processing, and Interpretation of Reflection/Refraction Seismic Surveys – Appendices
- USACE – Final 2017 Residential Wells Interim Monitoring and Operations and Maintenance of Residential Well GAC Systems Fall 2017 – September 2018
- USACE – Final 2016 RI Technical Memorandum, Source-Area Investigation – August 2018
- USACE – Final 2016 RI Technical Memorandum, Source-Area Investigation – Appendices
- USACE – Remedial Investigation Technical Memorandum 2016 Source-Area Investigation – August 2018
- USACE – Long-Term Monitoring Event 9 Letter Report Spring 2017 – May 2018
- USACE – Hydrogeologic Framework Report and Airborne Electromagnetic Survey – May 2018
- USACE – Hydrogeologic Framework Report and Airborne Electromagnetic Survey – Appendix B [proprietary software required to open]
- USACE – Long-Term Monitoring Program Interim Residential Groundwater Monitoring Event Fall 2016 – December 2017
- USACE – Long-Term Monitoring Event 8 Letter Report Fall 2016 – October 2017
- USACE – Preliminary Airborne Electromagnetic (AEM) Data Results Memorandum – August 31, 2017
- USACE – Data Synthesis, Evaluation, and Interpretation Technical Memorandum – June 2017
- USACE – Long-Term Monitoring Program for the Focused Source Area Remedial Investigation Addendum Spring 2016 – May 2017
- USACE – Long-Term Monitoring Program Interim Residential Groundwater Monitoring Event Fall 2015 – February 2017
- USACE – Domestic and Commercial Well Sampling Report Atlas Site 4 – Sept 21, 2016
- USACE – Final Uniform Policy Quality Assurance Project Plan for the Focused Source Area Remedial Investigation Addendum, Former Atlas “D” Missile Site 4, Laramie County, Wyoming. Prepared for U.S. Army Corps of Engineers, Omaha District – July 2016
- USACE – Technical Memorandum—Acquisition, Processing, and Interpretation of Reflection/Refraction Seismic Survey for the Focused Source Area RI Addendum – June 2016
- USACE – Appendix A – Relevant Figures from Surface Geophysical Investigation Report RAS – March 2006
- USACE – Final Interim Long-Term Monitoring Program Uniform Federal Policy Quality Assurance Project Plan Update for the Focused Source Area Remedial Investigation Addendum, Former Atlas “D” Missile Site 4, Laramie County, Wyoming. Prepared for U.S. Army Corps of Engineers, Omaha District – March 2016
- USACE – Data Synthesis, Evaluation, and Interpretation Technical Memorandum – April 2015
- USACE – Long-Term Monitoring Program Interim Residential Groundwater Monitoring Event Fall 2014 – February 2015
- USACE – Downgradient Domestic and Commercial Potable Well Sampling Report Atlas Site 4 – September 2014
- USACE – Long-Term Monitoring Data Summary Letter Report Fall 2013 – March 2014
- USACE – Long-Term Monitoring Data Summary Letter Report Spring 2013 – February 2014
- USACE – Technical Memorandum Addendum Pre Design Characterization 2013 – Atlas Site 4 – November 2013
- USACE – Hydrological and Geophysical Logging Results – Atlas D Missile Site 4 – October 30, 2013
- USACE – Data Synthesis, Evaluation, and Interpretation – Bay West Technical Approach – September 16, 2013
- USACE – Atlas 4 Pre-Design Characterization Tech Memo – May 2013
- USACE – Atlas Site 4 Well Selection Tech Memo Update 2013 – May 2013
- USACE – 2011 Annual Long-Term Monitoring Report – Atlas Site 4 – April 2013
- USACE – Geophysical Logging, Hydrophysical Logging, and Data Evaluation of Nine Groundwater Wells – Atlas Site 4 – September 2012
- USACE – Tech Memo Atlas 4 Pre-Design Characterization – April 2012
- USACE – Groundwater Flow Modeling Report for Atlas D Missile Site 4 – February 2012
- USACE – Geophysical and Hydrophysical Logging Report – Monitoring Wells MW46 MW47 MW48 MW50 – Atlas Site 4 – January 2012
- USACE – Analysis of the EW-01 Aquifer Test – Atlas Site 4 – December 2011
- USACE – Spring 2011 Long-Term Monitoring Letter Results – Atlas Site 4 – October 2011
- USACE – Annual Report for the 2010 Long-Term Monitoring Program – Atlas Site 4 – June 2011
- USACE – 2010 Summer Long Term Monitoring Letter Results – September 2010
- USACE – 4th Quarter 2010 TCRA GW Results Tech Memo – Atlas Site 4 – May 18, 2010
- USACE – Tech Memo – Long Term Monitoring Program Well Selection Evaluation – Atlas Site 4 – March 2010
- USACE – 3rd Quarter 2010 TCRA GW Results Tech Memo – Atlas Site 4 – February 02, 2010
- USACE – Engineering Design Report TCRA Groundwater Treatment Plant – City of Cheyenne – January 2010
- USACE – 2nd Quarter 2009 TCRA GW Results Tech Memo – Atlas Site 4 – November 17, 2009
- USACE – Focused Feasibility Study – Atlas Site 4 – November 2009
- USACE – TCRA Installation Report for Residential Water Treatment Units & 1st Quarter Sampling – September 2009
- USACE – TCRA Wellhead Treatment – Atlas Site 4 – Project Work Plan – July 2009
- USACE – Technical Memorandum – 2008 Supplemental Investigations – Atlas Site 4 – March 2009
- USACE – Geophysical and Hydrophysical Logging Report – Monitoring Wells MW43 MW44 MW45 – Atlas Site 4 – January 2009
- USACE – Geophysical and Hydrophysical Logging Report – Monitoring Wells MW30 MW39 MW40 – Atlas Site 4 – January 2008
- USACE – Supplemental Investigation Findings Tech Memo – Atlas Site 4 – January 2008
- USACE – Tech Memo Groundwater Well Sampling – Spring 2007 – Atlas Site 4 – August 2007
- USACE – Geophysical, Hydrophysical, and Scanning Colloidal Borescope Flowmeter Logging Study – Wells OW35 OW41 OW51 OW52 – 2007
- USACE – Domestic Well Water Sampling Annual Report – 2006 – Atlas Sites 1 & 4 – July 2006
- USACE – Remedial Action Alternatives Tech Memo -Atlas 4 Site – June 2006
- USACE – Remedial Investigation Report – Atlas Site 4 – May 2006
- USACE – Surface Geophysical Surveys and Borehole Geophysical Logging Report – March 2006
- USACE – Domestic Well Sampling Memorandum – 2005 Winter Quarterly Monitoring – Atlas Site 4 – January 20, 2006
- USACE – Letter Report – 2005 Fall Quarterly Monitoring – Atlas Site 4 – October 2005
- USACE – Expanded Site Investigation Addendum – Atlas Site 4 – April 2005
- USACE – Appendix I – Groundwater Geochemistry Evaluation – Atlas Site 4 – 2005
- USACE – Community Involvement Plan – Atlas Site 4 – April 2004
- USACE – Expanded Site Inspection Report – Atlas Site 4 – October 2003
- USACE – Interim Response Action – Atlas Site 4 – May 2003
- USACE – Site Inspection Report and Data Summaries – Preliminary Assessment and Site Investigation – Former Atlas Missile Sites 1 and 4 – Corrected Pages – October 28, 2002
- USACE – Site Inspection Report and Data Summaries – Preliminary Assessment and Site Investigation – Former Atlas Missile Sites 1 and 4 – August 2002
- USACE – Phase Out Report – Site 4 – UST Removal – November 12, 1993
