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