Spatial Coverage: Pennsylvania / Year: 1969 - Yale University Library GeoBlacklight Search Results

1. Geologic map and sections of parts of the Portland and Belvidere quadrangles, New Jersey-Pennsylvania [cartographic material]

1969. 2012-10-11T13:58:59Z. 2013-03-18T22:22:55Z. Drake, Avery Ala, 1927-. U.S. Geological Survey. English. Public. New Jersey, Warren County, Pennsylvania, and Northampton County.

2. Geologic map of part of the Carmichaels quadrangle, southwestern Pennsylvania [cartographic material]

1969. 2012-10-15T15:18:29Z. 2013-03-18T22:23:21Z. Kent, Bion H. (Bion Huntley), 1925-. The Survey. English. Public. Pennsylvania, Greene County, and Washington County.

3. Geologic map of the Mather quadrangle, Southwestern Pennsylvania

1969. 2012-02-28T16:03:29Z. 2012-02-28T16:03:29Z. Kent, Bion H. (Bion Huntley), 1925-. Geological Survey. English. Public. Pennsylvania, Greene County, and Washington County.

4. Geologic map of the Shenandoah quadrangle, Schuylkill County, Pennsylvania

1969. 2012-02-22T16:01:07Z. 2012-02-22T16:01:07Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.