Author: Hackman, Robert J. / Year: 1959 - Yale University Library GeoBlacklight Search Results

1. Photogeologic map of the Coach Creek NE quadrangle, Grand County Utah, and Mesa County, Colorado [cartographic material]

1959. 2012-09-05T14:12:00Z. 2013-03-18T22:16:24Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, Grand County, Colorado, and Mesa County.

2. Photogeologic map of the Coach Creek SE quadrangle, Grand County Utah, and Mesa County, Colorado [cartographic material]

1959. 2012-09-05T14:00:13Z. 2013-03-18T22:16:24Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, Grand County, Colorado, and Mesa County.

3. Photogeologic map of the Yellow Jacket quadrangle, Montezuma and Dolores Counties, Colorado [cartographic material]

1959. 2012-09-05T15:48:36Z. 2013-03-18T22:16:28Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Colorado, Montezuma County, and Dolores County.