1912. 2020-03-05T17:53:31Z. 2020-03-05T17:53:31Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. cartographic image. Public. Gila County (Ariz.), Arizona, Gila County, and Gila County.
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1978. 2014-03-28T13:58:04Z. 2014-04-08T22:10:30Z. Luedke, Robert G. Dept. of the Interior, U.S. Geological Survey. English. Public. Arizona, New Mexico, and U.S. Cenozoic and From 65 million years ago.
1968. 2012-10-09T18:58:26Z. 2013-03-18T22:22:38Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. Public. California, Nevada, Utah, Arizona, and Southwest, New.
1968. 2012-10-09T18:57:02Z. 2013-03-18T22:22:38Z. Zietz, Isidore, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. California, Nevada, Arizona, Utah, and Southwest, New.
1968. 2012-10-09T19:26:01Z. 2013-03-18T22:22:39Z. Warren, David H. Dept. of the Interior, U.S. Geological Survey. English. Public. California, Arizona, Utah, Nevada, Southwest, New, and Southwest, New.
1968. 2012-10-09T19:05:45Z. 2013-03-18T22:22:39Z. Carlson, John Edward, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. California, Nevada, Utah, Arizona, and Southwest, New.