Spatial Coverage: Washington County (Pa.) - Yale University Library GeoBlacklight Search Results

Start Over Spatial Coverage Washington County (Pa.)

1. Petroleum age map of the Washington Oil Field

1886. 2023-08-29T20:57:36Z. 2023-08-30T03:02:19Z. Petroluem Age Publishing Company?. English. cartographic image. Public. Pennsylvania, Washington County., Washington County, and Washington County (Pa.).

2. Washington County, Pennsylvania

1900. 2013-03-05T14:54:13Z. 2022-07-12T12:14:40Z. Pidgeon, R. H. (Roger H.). Cartographic Co. English. Public. Washington County (Pa.).

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