What does IHGS stand for?
IHGS stands for "Illinois High Grade Shaft"
How to abbreviate "Illinois High Grade Shaft"?
"Illinois High Grade Shaft" can be abbreviated as IHGS
What is the meaning of IHGS abbreviation?
The meaning of IHGS abbreviation is "Illinois High Grade Shaft"
What does IHGS mean?
IHGS as abbreviation means "Illinois High Grade Shaft"
