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Oil and gas in Southeast Pennsylvania

V1 published
Creators
  1. George H. Ashley
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

Lead and Zinc Ores near Phoenixville, Chester County, Pennsylvania

V1 published
Creators
  1. Miller, Benjamin LeRoy
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

Calcareous Marl in Pennsylvania South of the Terminal Moraine

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

Mineral Resources of Pennsylvania

V1 published
Creators
  1. Ashley, George H.
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

Gas Wells on Pollock Run, Westmoreland County, Pennsylvania

V1 published
Creators
  1. Robinson, J. French
Deposited September 24, 2014
Access
Open Access