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Subcategories
This category has the following 23 subcategories, out of 23 total.
A
- Oil fields of Albania (14 P)
- Oil fields of Austria (1 P)
- Oil fields of Azerbaijan (12 P)
B
- Oil fields of Bulgaria (1 P)
C
D
G
- Oil fields of Germany (2 P)
- Oil fields in Greece (2 P)
H
- Oil fields in Hungary (2 P)
I
- Oil fields in Italy (8 P)
K
- Oil fields of Kazakhstan (20 P)
M
- Oil fields in Malta (1 P)
N
- Oil fields in Norway (33 P)
P
- Oil fields of Poland (5 P)
R
- Oil fields in Romania (64 P)
S
- Oil fields in Serbia (1 P)
- Oil fields in Spain (1 P)
T
- Oil fields in Turkey (9 P)
U
- Oil fields in Ukraine (9 P)