What does HERM stand for?
HERM stands for "High Extraction Retreat Mining"
How to abbreviate "High Extraction Retreat Mining"?
"High Extraction Retreat Mining" can be abbreviated as HERM
What is the meaning of HERM abbreviation?
The meaning of HERM abbreviation is "High Extraction Retreat Mining"
What does HERM mean?
HERM as abbreviation means "High Extraction Retreat Mining"