What does OSR stand for?
OSR stands for "Ontario Southland Rwy"
How to abbreviate "Ontario Southland Rwy"?
"Ontario Southland Rwy" can be abbreviated as OSR
What is the meaning of OSR abbreviation?
The meaning of OSR abbreviation is "Ontario Southland Rwy"
What does OSR mean?
OSR as abbreviation means "Ontario Southland Rwy"
