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Mineral Resources of the Lower Allegheny - Beaver River District

V1 published
Creators
  1. Ashley, George H.
Deposited September 24, 2014
Access
Open Access

Probability of Occurrence of the Oriskany Sandstone in the Tioga Region

V1 published
Creators
  1. Stanley H. Cathcart
  2. Bradford Willard
Deposited September 24, 2014
Access
Open Access

Sand and Gravel in the Altoona Region, Pennsylvania

V1 published
Creators
  1. Ward, Freeman
Deposited September 24, 2014
Access
Open Access

Sand and Gravel in the Reading Region, Pennsylvania

V1 published
Creators
  1. Ward, Freeman Ward
Deposited September 24, 2014
Access
Open Access

Iron Ores, Present and Future

V1 published
Creators
  1. Hickok, W. O.
Deposited September 24, 2014
Access
Open Access

Sand and Gravel in the Scranton Region, Pennsylvania

V1 published
Creators
  1. Ward, Freeman
Deposited September 24, 2014
Access
Open Access

Mineral Resources of Pennsylvania

V1 published
Creators
  1. Ashley, George H.
Deposited September 24, 2014
Access
Open Access

Lead and Zinc Ores near Phoenixville, Chester County, Pennsylvania

V1 published
Creators
  1. Miller, Benjamin LeRoy
Deposited September 24, 2014
Access
Open Access

Zinc Ores at Friendensville, Lehigh County, Penna

V1 published
Creators
  1. Miller, Benjamin LeRoy
Deposited September 24, 2014
Access
Open Access

Calcareous Marl in Pennsylvania South of the Terminal Moraine

V1 published
Creators
  1. J. B. R. Dickey
Deposited September 24, 2014
Access
Open Access

Lead and Zinc Ores in Bucks County, Pennsylvania

V1 published
Creators
  1. Miller, Bejamin LeRoy
Deposited September 24, 2014
Access
Open Access

Copper Ores in Pennsylvania

V1 published
Creators
  1. Corbin, J. Ross
Deposited September 24, 2014
Access
Open Access

Lead and Zinc Ores in Lancaster County, Pennsylvania

V1 published
Creators
  1. Miller, Bejamin LeRoy
Deposited September 24, 2014
Access
Open Access

Flagstone Industry in Northeastern Pennsylvania

V1 published
Creators
  1. R.W. Stone
Deposited September 24, 2014
Access
Open Access

Oil and gas in Southeast Pennsylvania

V1 published
Creators
  1. George H. Ashley
Deposited September 24, 2014
Access
Open Access

Chromite in Pennsylvania

V1 published
Creators
  1. J. Ross Corbin
Deposited September 24, 2014
Access
Open Access

Coal Beds in Elk County, Pennsylvania by J.D. Sisler

V1 published
Creators
  1. Sisler, J.D.
Deposited September 24, 2014
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Open Access

Coal Reserves in Cambria County, Pennsylvania

V1 published
Creators
  1. Reese, John F.
Deposited September 24, 2014
Access
Open Access

White Clay Deposits in Central Pennsylvania

V1 published
Creators
  1. Moore, E. S.
Deposited September 24, 2014
Access
Open Access

Manganese occurrences in Eastern Pennsylvania

V1 published
Creators
  1. Benjamin L. Miller
Deposited September 24, 2014
Access
Open Access