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Copper Ores in Pennsylvania

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

Lead and Zinc Ores in Lancaster County, Pennsylvania

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

Flagstone Industry in Northeastern Pennsylvania

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

Gas Wells on Pollock Run, Westmoreland County, Pennsylvania

V1 published
Creators
  1. Robinson, J. French
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
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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

White Clay Deposits in Central Pennsylvania

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

Coal Beds in Butler County, Pennsylvania

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