Subject: Natural gas / Year: 1911 / Access: Public - Yale University Library GeoBlacklight Search Results

Start Over Subject Natural gas Year 1911 Access Public

1. Burgettstown-Carnegie folio, Pennsylvania

1911. 2013-03-14T18:13:26Z. 2021-09-22T17:59:06Z. Shaw, E. W. (Eugene Wesley), 1881-1935. The Survey. English. Public. Pennsylvania, Allegheny County, Beaver County, and Washington County.

2. Foxburg-Clarion folio, Pennsylvania

1911. 2013-03-14T18:16:03Z. 2013-03-14T18:16:03Z. Shaw, E. W. (Eugene Wesley), 1881-1935. The Survey. English. Public. Pennsylvania, Armstrong County, Butler County, Clarion County, and Venango County.

3. Sewickley folio, Pennsylvania

1911. 2013-03-14T18:10:52Z. 2013-03-14T18:10:52Z. Munn, M. J. (Malcolm John), 1874-1949. U.S. Geological Survey. English. Public. Pennsylvania, Allegheny County, Beaver County, and Butler County.