Author: McIntosh, Willard L. / Year: 1981 - Yale University Library GeoBlacklight Search Results

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1. Geologic map index of Oregon [cartographic material]

1981. 2018-05-10T19:19:10Z. 2018-09-05T19:34:18Z. McIntosh, Willard L. U.S. Geological Survey. English. cartographic image. Public. Oregon and Oregon.

2. Geologic map index of Pennsylvania [cartographic material]

1981. 2018-05-10T19:26:42Z. 2018-09-05T19:19:07Z. McIntosh, Willard L. Dept. of the Interior, United States Geological Survey. English. cartographic image. Public. Pennsylvania and Pennsylvania.