Author: Tweto, Ogden, 1912-1983 - Yale University Library GeoBlacklight Search Results

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1. Geologic map and sections of the Holy Cross quadrangle, Eagle, Lake, Pitkin, and Summit counties, Colorado [cartographic material]

1974. 2013-04-30T18:17:54Z. 2013-05-08T12:07:04Z. Tweto, Ogden, 1912-1983. U.S. Geological Survey. English. Public. Colorado, Eagle County, Lake County, Pitkin County, and Summit County.

2. Geologic map of the Craig 1° x 2° quadrangle, northwestern Colorado [cartographic material]

1976. 2013-09-17T18:48:21Z. 2013-09-25T21:09:47Z. Tweto, Ogden, 1912-1983. The Survey. English. Public. Colorado, Moffat County, and Routt County.

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