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Creators Stout, G. J.
Deposited September 18, 2016 15:14
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Creators Smith, Helen F
Deposited September 09, 2016 14:51
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Creators Mineral Industries Experiment Station; Pennsylvania State University
Deposited August 07, 2016 22:02
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Creators Godfrey, Dakota Ashley
Deposited December 12, 2015 20:02
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Creators MANULA, C.B.; SANFORD, R.L.
Deposited July 27, 2016 15:11
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Creators Musser, Linda; Wilkins, Joshua; Nolan, Lee Ann;
Deposited June 21, 2016 14:05
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Penn State
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Creators Penn State University Libraries
Deposited September 23, 2014 15:57
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Creators Anthony R. D'Augelli
Deposited August 29, 2014 13:16
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Creators Anthony R. D'Augelli
Deposited August 29, 2014 14:01
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Creators Mineral Industries Experiment Station; Pennsylvania State University
Deposited August 07, 2016 22:02
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V1 published
Creators Lee, Meghan S
Deposited December 07, 2015 18:16
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Penn State
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Creators Jeitner, Elizabeth Catherine
Deposited May 05, 2015 23:08
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Creators Lang, C. Max
Deposited March 06, 2015 09:50
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Creators Carol Max Lang
Deposited March 02, 2015 13:28
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V1 published
Creators Carol Max Lang
Deposited March 02, 2015 13:28
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Creators Lang, C. Max
Deposited February 19, 2015 12:59
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Creators Lang, C. Max
Deposited February 19, 2015 12:59
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Creators Lang, C. Max
Deposited February 19, 2015 12:59
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Creators Lang, C. Max
Deposited February 19, 2015 12:59
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Creators Lang, C. Max
Deposited February 19, 2015 12:59
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