What does GNIS stand for?
GNIS stands for "Geographic Names Information System (USGS)"
How to abbreviate "Geographic Names Information System (USGS)"?
"Geographic Names Information System (USGS)" can be abbreviated as GNIS
What is the meaning of GNIS abbreviation?
The meaning of GNIS abbreviation is "Geographic Names Information System (USGS)"
What does GNIS mean?
GNIS as abbreviation means "Geographic Names Information System (USGS)"