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

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11. Photogeologic map of the Aneth-7 quadrangle, San Juan County, Utah

1955. 2012-08-01T18:44:14Z. 2012-08-01T18:44:14Z. Hackman, Robert J. The Survey. English. Public. Utah and San Juan County.

12. Photogeologic map of the Aneth-8 quadrangle, San Juan County, Utah and Montezuma County, Colorado

1955. 2012-08-01T19:00:06Z. 2012-08-01T19:00:06Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, San Juan County, Colorado, and Montezuma County.

13. Photogeologic map of the Buckskin Gulch NW quadrangle, Kane County, Utah [cartographic material]

1957. 2012-09-04T15:08:10Z. 2013-03-18T22:16:08Z. Hackman, Robert J. The Survey. English. Public. Utah and Kane County.

14. Photogeologic map of the Buckskin Gulch SW quadrangle, Kane County, Utah, and Coconino County, Arizona [cartographic material]

1957. 2012-08-30T18:03:59Z. 2013-03-18T22:15:51Z. Hackman, Robert J. The Survey. English. Public. Utah, Kane County, Arizona, and Coconino County.

15. Photogeologic map of the Carlisle-15 quadrangle, San Juan County, Utah

1955. 2012-07-31T15:00:25Z. 2012-07-31T15:00:25Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah and San Juan County.

16. Photogeologic map of the Circle Cliffs-12 quadrangle, Garfield County, Utah

1955. 2012-07-27T15:34:53Z. 2012-07-27T15:43:27Z. Hackman, Robert J. The Survey. English. Public. Utah and Garfield County.

17. Photogeologic map of the Circle Cliffs-6 quadrangle, Garfield County, Utah

1955. 2012-07-25T16:00:42Z. 2012-07-25T16:00:42Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah and Garfield County.

18. Photogeologic map of the Circle Cliffs-7 quadrangle, Garfield County, Utah

1955. 2012-07-25T16:53:47Z. 2012-07-25T16:53:47Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah and Garfield County.

19. 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.

20. 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.