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## By Year

Technical Announcement        August 26, 2016        USGS and India Space Research Organization to Cooperate Further in Observing Earth

Technical Announcement        July 22, 2021        Down to Earth: Complexities of Geology Affect Nuclear Electromagnetic Pulse Hazard 

Technical Announcement        October 31, 2016        USGS to Chair Committee on Earth Observation Satellites (CEOS)

Technical Memos        April 7, 1997        TM97-04 Tritium/helium dating of ground-water samples available through contract with Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York

Technical Announcement        April 23, 2015        Map Shows Content and Origins of the Nation’s Geologic Basement

Technical Announcement        October 6, 2016        Landsat 8 Enhancements Detailed in Special Issue of Science Journal

Technical Announcement        December 2, 2020        USGS Releases the Most Advanced Landsat Archive to Date

Technical Announcement        June 10, 2019        Less than One Percent of the United States Covered by Aeromagnetic Data that Meet Modern Standards

Technical Announcement        March 29, 2018        International Mapping Standards Updated for Planets throughout Solar System

Technical Announcement        March 9, 2021        Backup Landsat Multi-Satellite Operations Center Opens in South Dakota

Technical Announcement        March 30, 2016        Special Review and Webinar Showcase Critical Minerals Research at USGS

Technical Announcement        March 24, 2017        New “Landsat Collections” Help Facilitate Land Change Science

Technical Announcement        March 8, 2018        New 3D Measurements Improve Understanding of Geomagnetic Storm Hazards

Technical Announcement        October 18, 2016        U.S. Geological Survey EDMAP Program Call For Proposals

Technical Announcement        November 8, 2017        Significant Milestone in Improving Usability of Landsat Satellite Data

Technical Announcement        June 2, 2015        USGS Ups Ease of Use for Landsat Data

Technical Memos        July 20, 2021        NMFS Biological Opinion

Technical Announcement        September 19, 2017        USGS EDMAP Program Call For Proposals

Technical Announcement        March 3, 2015        Plenty of Potash, but Some Regions Lack Low Cost Sources for Crop Production

Technical Announcement        September 17, 2020        Multiagency Initiative Begins Work on Critical Minerals and Geothermal Energy Research in Nevada

Technical Memos        July 20, 2021        NMFS Incidental Harassment Authorization

Technical Announcement        February 27, 2017        Successful Maneuver Spells Beginning of the End for Landsat 7

Technical Memos        October 8, 1998        TM99-01 Change in reporting unit for relative abundances of helium isotopes

Technical Memos        July 20, 2021        USFWS Incidental Harassment Authorization

Technical Memos        December 13, 2018        NCCWSC 2009 National Workshop Summary

Technical Memos        July 20, 2021        Final Environmental Assessment

Technical Memos        April 7, 1997        TM97-04S Collection, processing, and analysis of ground-water samples for tritium/helium-3 dating;