What does SDM stand for?
SDM stands for "Stambaugh Drift Mine"
How to abbreviate "Stambaugh Drift Mine"?
"Stambaugh Drift Mine" can be abbreviated as SDM
What is the meaning of SDM abbreviation?
The meaning of SDM abbreviation is "Stambaugh Drift Mine"
What does SDM mean?
SDM as abbreviation means "Stambaugh Drift Mine"
