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Earth_and_Mineral_Sciences_Volume_47_Number_3_1977

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Earth_and_Mineral_Sciences_Volume_53_Number_1_1983

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Earth_and_Mineral_Sciences_Volume_59_Number_1_1990

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Earth_and_Mineral_Sciences_Volume_53_Special_Edition_1983

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Earth_and_Mineral_Sciences_Volume_43_Number_6_1974

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Earth_and_Mineral_Sciences_Volume_42_Number_7_1973

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Earth_and_Mineral_Sciences_Volume_54_Number_2_1985

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Earth_and_Mineral_Sciences_Volume_41_Number_9_1972

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Earth_and_Mineral_Sciences_Volume_51_Number_5_1982

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Earth_and_Mineral_Sciences_Volume_43_Number_8_1974

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Earth_and_Mineral_Sciences_Volume_38_Number_7_1969

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Earth_and_Mineral_Sciences_Volume_44_Number_3_1974

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Earth_and_Mineral_Sciences_Volume_42_Number_2_1972

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Earth_and_Mineral_Sciences_Volume_38_Number_5_1969

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Earth_and_Mineral_Sciences_Volume_45_Number_3_1975

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Earth_and_Mineral_Sciences_Volume_57_Number_1_1987-1988

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Earth_and_Mineral_Sciences_Volume_62_Number_1_1993

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Earth_and_Mineral_Sciences_Volume55_Number_2_1985-1986

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Earth_and_Mineral_Sciences_Volume_68_Number_1_2000

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Earth_and_Mineral_Sciences_Volume_45_Number_8_1976

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Earth_and_Mineral_Sciences_Volume_39_Number_4_1970

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Earth_and_Mineral_Sciences_Volume_52_Number_1_1982

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Earth_and_Mineral_Sciences_Volume_44_Number_4_1975

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Earth_and_Mineral_Sciences_Volume_58_Number_3_1989

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_50_Number_4_1981

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_50_Number_2_1980

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Earth_and_Mineral_Sciences_Volume_55_Special_Edition_1985

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Earth_and_Mineral_Sciences_Volume_40_Number_2_1970

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Earth_and_Mineral_Sciences_Volume_54_Number_1_1984

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_57_Number_3_1988

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Earth_and_Mineral_Sciences_Volume_57_Number_2_1988

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Earth_and_Mineral_Sciences_Volume_48_Number_3_1978

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_38_Number_3_1968

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_38_Number_9_1969

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Earth_and_Mineral_Sciences_Volume_43_Number_2_1973

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_47_Number_5_1978

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_44_Number_2_1974

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_38_Number_8_1969

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Earth_and_Mineral_Sciences_Volume_51_Number_3_1981

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_38_Number_2_1968

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Earth_and_Mineral_Sciences_Volume_37_Number_9_1968

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Earth_and_Mineral_Sciences_Volume_56_Number_4_1987

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Earth_and_Mineral_Sciences_Volume_48_Number_5_1979

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Earth_and_Mineral_Sciences_Volume_44_Number_9_1975

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Earth_and_Mineral_Sciences_Volume_43_Number_4_1974

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Earth_and_Mineral_Sciences_Volume_44_Number_1_1974

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Earth_and_Mineral_Sciences_Volume_42_Number_9_1973

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Earth_and_Mineral_Sciences_Volume_46_Number_6_1977

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Earth_and_Mineral_Sciences_Volume_41_Number_8_1972

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Earth_and_Mineral_Sciences_Volume_41_Number_6_1972

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Earth_and_Mineral_Sciences_Volume_56_Number_3_1987

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Earth_and_Mineral_Sciences_Volume_54_Number_3_1985

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Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_47_Number_4_1978

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Earth_and_Mineral_Sciences_Volume_48_Number_1_1978

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Opportunities in Pennsylvania's Basic Industries

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  1. Earth and Mineral Sciences Experiment Station Circulars
Deposited September 17, 2014
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Earth_and_Mineral_Sciences_Volume_37_Number_2_1967

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_65_Number_1_1996

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_48_Number_8_1979

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Earth_and_Mineral_Sciences_Volume_43_Number_1_1973

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Earth_and_Mineral_Sciences_Volume_53_Number_2_1984

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_56_Number_2_1986-1987

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Earth_and_Mineral_Sciences_Volume_49_Number_4_1980

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_41_Number_4_1972

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Earth_and_Mineral_Sciences_Volume_38_Number_4_1969

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Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_39_Number_9_1970

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Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_57_Number_4_1988

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Earth_and_Mineral_Sciences_Volume_43_Number_5_1974

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Earth_and_Mineral_Sciences_Volume_42_Number_6_1973

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Earth_and_Mineral_Sciences_Volume_45_Number_2_1975

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Earth_and_Mineral_Sciences_Volume_37_Number_4_1968

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Earth_and_Mineral_Sciences_Volume_40_Number_5_1971

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Earth_and_Mineral_Sciences_Volume_48_Number_6_1979

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Earth_and_Mineral_Sciences_Volume_60_Number_2_1991

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_47_Number_9_1978

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_68_Number_2_2000

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_45_Number_6_1976

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_44_Number_5_1975

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_67_Number_2_1998-1999

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_48_Number_2_1978

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Earth_and_Mineral_Sciences_Volume_51_Number_2_1981

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  1. Earth and Mineral Sciences, College of
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Earth_and_Mineral_Sciences_Volume_39_Number_2_1969

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Earth_and_Mineral_Sciences_Volume_43_Number_9_1974

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Earth_and_Mineral_Sciences_Volume_64_Number_1_1995

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Earth_and_Mineral_Sciences_Volume_52_Number_3_1983

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Earth_and_Mineral_Sciences_Volume_42_Number_8_1973

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Earth_and_Mineral_Sciences_Volume_41_Number_1_1971

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Earth_and_Mineral_Sciences_Volume_61_Number_3_1992

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Earth_and_Mineral_Sciences_Volume_46_Number_8_1977

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Earth_and_Mineral_Sciences_Volume_45_Number_9_1976

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Earth_and_Mineral_Sciences_Volume_43_Number_3_1973

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Earth_and_Mineral_Sciences_Volume_47_Number_2_1977

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Earth_and_Mineral_Sciences_Volume_40_Number_7_1971

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Earth_and_Mineral_Sciences_Volume_60_Number_4_1991

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Earth_and_Mineral_Sciences_Volume_55_Number_1_1985

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_62_Number_3_1993

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_37_Number_1_1967

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_45_Number_7_1976

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Earth_and_Mineral_Sciences_Volume_62_Number_2_1993

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  1. Earth and Mineral Sciences, College of
Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_42_Number_5_1973

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Deposited December 07, 2018
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Earth_and_Mineral_Sciences_Volume_39_Number_5_1970

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Deposited December 07, 2018
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