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Geological Survey U S Core Science Systems : A comparison of synthetic flowpaths derived from light detection and ranging topobathymetric data and national hydrography dataset high resolution flowlines / by Cynthia Miller-Corbett.
Geological Survey U S Geologic Materials Repository Working Group : 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 / by the Geologic Materials Repository Working Group.