What does SPN stand for?
SPN stands for "State Plane Northing"
How to abbreviate "State Plane Northing"?
"State Plane Northing" can be abbreviated as SPN
What is the meaning of SPN abbreviation?
The meaning of SPN abbreviation is "State Plane Northing"
What does SPN mean?
SPN as abbreviation means "State Plane Northing"
