What does SGM stand for?
SGM stands for "Smithonian Gem Mineral"
How to abbreviate "Smithonian Gem Mineral"?
"Smithonian Gem Mineral" can be abbreviated as SGM
What is the meaning of SGM abbreviation?
The meaning of SGM abbreviation is "Smithonian Gem Mineral"
What does SGM mean?
SGM as abbreviation means "Smithonian Gem Mineral"
