1. Geologic map of the Boulter Peak quadrangle, Utah / [cartographic material] Yale Public content 1961. 2011-05-06T17:24:55Z. 2012-02-14T00:27:23Z. Disbrow, A. E. (Alan Eastman), 1921-. U.S. Geological Survey. English. Public. Utah, Tooele County, Utah County, and Juab County.