What does SPM stand for?
SPM stands for "Sixth Principal Meridian"
How to abbreviate "Sixth Principal Meridian"?
"Sixth Principal Meridian" can be abbreviated as SPM
What is the meaning of SPM abbreviation?
The meaning of SPM abbreviation is "Sixth Principal Meridian"
What does SPM mean?
SPM as abbreviation means "Sixth Principal Meridian"
