1. Geologic map of the La Gotera quadrangle, Sandoval and Valencia Counties, New Mexico [cartographic material] Yale Public content 1965. 2011-12-06T21:29:14Z. 2012-03-05T17:20:18Z. Moench, Robert Hadley, 1926-. U.S. Geological Survey. English. Public. New Mexico, Sandoval County, Valencia County, and U.S.