Author: Hackman, Robert J. / Spatial Coverage: Navajo County - Yale University Library GeoBlacklight Search Results

Start Over Author Hackman, Robert J. Spatial Coverage Navajo County

1. Geology, structure, and uranium deposits of the Escalante quadrangle, Utah and Arizona

1973. 2012-11-29T21:49:03Z. 2023-02-09T21:27:15Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, Garfield County, Kane County, San Juan County, Arizona, Navajo County, and Coconino County.

2. Photogeologic map of the Navajo Mountain-15 quadrangle, San Juan County, Utah, and Navajo County, Arizona [cartographic material]

1956. 2012-08-21T18:56:36Z. 2013-03-18T22:13:39Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, San Juan County, Arizona, and Navajo County.

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