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