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A series of columnar sections constructed from surface observations and the records of eleven oil wells situated between Bradford in McKean County and Ridgway in Elk County showing the relation of the lower caboniferous coal beds to the Bradford oil producing sand and the thickening of the sub conglomerate rocks / J.P. Lesley, state geologist, Chas. A. Ashburner, asst. geologist, A.W. Sheafer, aid.

Cartographic

[Harrisburg, Pa.] : [Board of Commissioners for the Second Geological Survey], 1879.

1879

1 Item

Available Online

NYPL Digital Collections
FormatCall NumberItem Location
FormatCartographicCall NumberMap Div. 17-5130Item LocationSchwarzman Building M1A - Map Division Room 117
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Second Geological Survey of Pennsylvania, anthracite district, C[arbon & Schuylkill counties?] / [J.P. Lesley, State Geologist ; Chas. A. Ashburner, geologist in charge?] ; geological assistants, A.W. Sheafer, Frank A. Hill ; aids, Arthur Winslow, H.I. Moyer.

Cartographic

[Harrisburg, Pa.] : [Geological Survey of Pennsylvania], 1882.

1882

1 Item

FormatCall NumberItem Location
FormatCartographicCall NumberMap Div. 17-5147Item LocationSchwarzman Building M1A - Map Division Room 117

[S]econd Geolo[gical Survey of Pennsylvania ...?] / [J.P. Lesl]ey, State Geologist ; [Chas. A. Ashburner?, geologist in c]harge ; geological assistants, A.W. Sheafer, Frank A. Hill ; aids, Arthur Winslow, H.I. Moyer.

Cartographic

[Harrisburg, Pa.] : [Geological Survey of Pennsylvania], 1882.

1882

1 Item

FormatCall NumberItem Location
FormatCartographicCall NumberMap Div. 17-5164Item LocationSchwarzman Building M1A - Map Division Room 117