What does HHM stand for?
HHM stands for "Howard and Hanley Mine"
How to abbreviate "Howard and Hanley Mine"?
"Howard and Hanley Mine" can be abbreviated as HHM
What is the meaning of HHM abbreviation?
The meaning of HHM abbreviation is "Howard and Hanley Mine"
What does HHM mean?
HHM as abbreviation means "Howard and Hanley Mine"
