What does PGN stand for?
PGN stands for "Petroleum Geology Newsgroup"
How to abbreviate "Petroleum Geology Newsgroup"?
"Petroleum Geology Newsgroup" can be abbreviated as PGN
What is the meaning of PGN abbreviation?
The meaning of PGN abbreviation is "Petroleum Geology Newsgroup"
What does PGN mean?
PGN as abbreviation means "Petroleum Geology Newsgroup"
