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The U.S. Geological Survey Geologic Collections Management System (GCMS)—A master catalog and collections management plan for U.S. Geological Survey geologic samples and sample collections

 **Updated guidance is available in USGS Instructional Memorandum CSS 2019-01.**AbstractThe U.S. Geological Survey (USGS) is widely recognized in the earth science community as possessing extensive collections of earth materials collected by research personnel over the course of its history. In 2006, a Geologic Collections Inventory was conducted within the USGS Geology Discipline to determine the
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Natural Hazards Mission Area, Science Synthesis, Analysis and Research Program, National Geological and Geophysical Data Preservation Program, Astrogeology Science Center, Samples Repository, Geological Materials Repository