Author: Brock, M. R. (Maurice Rex), 1922- - Yale University Library GeoBlacklight Search Results

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1. Geologic map of the Harper quadrangle, Liberia [cartographic material]

1977. 2013-04-04T17:30:51Z. 2013-04-10T17:34:23Z. Brock, M. R. (Maurice Rex), 1922-. U.S. Geological Survey. English. Public. Liberia.

2. Geologic map of the Mount Harvard quadrangle, Chaffee and Gunnison Counties, Colorado [cartographic material]

1972. 2012-03-16T15:11:22Z. 2012-03-27T23:59:42Z. Brock, M. R. (Maurice Rex), 1922-. The Survey. English. Public. Colorado, Chaffee County, and Gunnison County.

3. Geologic map of the Mount Tyndall quadrangle, Custer County, Colorado [cartographic material]

1968. 2012-01-18T15:19:10Z. 2012-03-05T17:34:15Z. Brock, M. R. (Maurice Rex), 1922-. The Survey. English. Public. Colorado and Custer County.

4. Reconnaissance geologic map of the Jabal Zain quadrangle, sheet 20/44A, Kingdom of Saudi Arabia [cartographic material]

1983. 2023-07-21T20:03:06Z. 2023-07-22T03:01:50Z. Brock, M. R. (Maurice Rex), 1922-. U.S. Geological Survey. English. cartographic image. Public. Saudi Arabia and Saudi Arabia.

5. Reconnaissance geologic map of the Janban quadrangle, sheet 20/44 B, Kingdom of Saudi Arabia, showing sample locations, rock types, and geographic and cultural features [cartographic material]

1984. 2023-09-01T18:39:16Z. 2023-09-02T03:03:03Z. Brock, M. R. (Maurice Rex), 1922-. U.S. Geological Survey. English. cartographic image. Public. Saudi Arabia and Saudi Arabia.

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