1. Geologic map and sections of the Amargosa Valley borate area - southeast continuation of the Furnace Creek area - Inyo County, California [cartographic material] Yale Public content 1973. 2013-04-04T20:21:19Z. 2013-04-10T17:34:27Z. McAllister, James. U.S. Geological Survey. English. Public. California, Inyo County, and U.S.