1. Geologic map of the Cotton City quadrangle and the adjacent part of the Vanar quadrangle, Hidalgo County, New Mexico [cartographic material] Yale Public content 1980. 2015-02-27T14:56:29Z. 2015-03-10T22:10:25Z. Drewes, Harald, 1927-. The Survey. English. Public. New Mexico, Hidalgo County, and U.S.