What does 21M stand for?
21M stands for "Currier's Seaplane Base"
How to abbreviate "Currier's Seaplane Base"?
"Currier's Seaplane Base" can be abbreviated as 21M
What is the meaning of 21M abbreviation?
The meaning of 21M abbreviation is "Currier's Seaplane Base"
What does 21M mean?
21M as abbreviation means "Currier's Seaplane Base"
