What does GUM stand for?
GUM stands for "Gassy Underground Mines"
How to abbreviate "Gassy Underground Mines"?
"Gassy Underground Mines" can be abbreviated as GUM
What is the meaning of GUM abbreviation?
The meaning of GUM abbreviation is "Gassy Underground Mines"
What does GUM mean?
GUM as abbreviation means "Gassy Underground Mines"
