Author: Walker, George Walton, 1921- / Spatial Coverage: Oregon - Yale University Library GeoBlacklight Search Results

Start Over Author Walker, George Walton, 1921- Spatial Coverage Oregon

1. Geologic map of Oregon

1991. 2002-06-01T04:00:00Z. 2018-05-04T18:43:30Z. Walker, George Walton, 1921-. Geological Survey. English. cartographic image. Public. Oregon and Oregon.

2. Geologic map of Oregon

1969. 2012-10-31T18:54:05Z. 2012-10-31T18:54:05Z. Walker, George Walton, 1921-. Dept. of the Interior, U.S. Geological Survey. English. Public. Oregon.

3. Reconnaissance geologic map of the Adel quadrangle, Lake, Harney, and Malheur counties, Oregon [cartographic material]

1965. 2012-09-28T18:30:29Z. 2013-03-18T22:20:40Z. Walker, George Walton, 1921-. Dept. of the Interior, U.S. Geological Survey. English. Public. Oregon, Lake County, Harney County, and Malheur County.

4. Reconnaissance geologic map of the Oregon part of the Grangeville quadrangle, Baker, Union, Umatilla, and Wallowa counties, Oregon

1979. 2014-06-17T14:48:26Z. 2014-06-17T14:48:26Z. Walker, George Walton, 1921-. The Survey. English. Public. Oregon, Baker County, Union County, Umatilla County, Wallowa County, U.S., Baker County., Umatilla County., Union County., and Wallowa County.

5. Reconnaissance geologic map of the west half of the Jordan Valley quadrangle, Malheur County, Oregon [cartographic material]

1966. 2012-10-01T18:28:10Z. 2013-03-18T22:21:05Z. Walker, George Walton, 1921-. The Survey. English. Public. Oregon and Malheur County.

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