Category:Pottsville Formation by member
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Subcategories
This category has the following 24 subcategories, out of 24 total.
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A
- Anthony Coal (1 F)
B
C
D
F
- Flint Ridge Coal (4 F)
H
- Hance Formation (1 F)
K
L
M
- Middle Mercer Clay (2 F)
P
S
- Sciotoville Clay (1 F)
V
- Vandusen Coal (8 F)