An unusual occurrence of arsenic-bearing pyrite in the Upper Freeport coal bed, west-central Pennsylvania

1992 ◽  
Vol 6 (2) ◽  
pp. 120-125 ◽  
Author(s):  
Leslie F. Ruppert ◽  
Jean A. Minkin ◽  
James J. McGee ◽  
C. Blaine Cecil
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania ◽  
Unusual Occurrence

Facies development in the Lower Freeport coal bed, west-central Pennsylvania, U.S.A.

1991 ◽  
Vol 18 (1-2) ◽  
pp. 17-43 ◽  
Author(s):  
Brenda S. Pierce ◽  
Ronald W. Stanton ◽  
Cortland F. Eble
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania

Geologic processes affecting the quality of the Upper Freeport coal bed, west-central Pennsylvania

1986 ◽  
Author(s):  
R.W. Stanton ◽  
C.B. Cecil ◽  
B.S. Pierce ◽  
L.F. Ruppert ◽  
F.T. Dulong
Keyword(s):  
Coal Bed ◽  
West Central ◽  
Central Pennsylvania ◽  
Geologic Processes

Isotopic evidence for the source of sulfur in the Upper Freeport coal bed (west-central Pennsylvania, U.S.A.)

1994 ◽  
Vol 114 (1-2) ◽  
pp. 115-130 ◽  
Author(s):  
Elliott C. Spiker ◽  
Brenda S. Pierce ◽  
Anne L. Bates ◽  
Ronald W. Stanton
Keyword(s):  
Coal Bed ◽  
Isotopic Evidence ◽  
West Central ◽  
Central Pennsylvania

An unusual occurrence of Thorea hispida (Thore) Desvaux chantransia on rusty crayfish in West Central Ohio

Nova Hedwigia ◽  
2012 ◽  
Vol 94 (3) ◽  
pp. 355-366 ◽  
Author(s):  
Lauren J. Fuelling ◽  
Julie A. Adams ◽  
Kevin J. Badik ◽  
Rebecca J. Bixby ◽  
Christopher L. Caprette ◽  
...  
Keyword(s):  
Rusty Crayfish ◽  
West Central ◽  
Unusual Occurrence
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