New York historical topo maps: O
36 historical topo maps of New York whose names start with O. These are the USGS 15-minute (1:62,500) quadrangles from the mid-1900s: old roads, mines, homesteads, rail lines and place names that newer maps leave off.
- Oak Orchard, NY (1897)
- Ogdensburg, NY (1904)
- Ogdensburg, NY (1905)
- Ohio, NY (1954)
- Olcott, NY (1897)
- Olcott, NY (1948)
- Old Forge, NY (1901)
- Old Forge, NY (1954)
- Olean, NY (1898)
- Olean, NY (1938)
- Olean, NY (1943)
- Oneida, NY (1895)
- Oneida, NY (1898)
- Oneida, NY (1902)
- Oneida, NY (1939)
- Oneida, NY (1946)
- Oneonta, NY (1915)
- Oneonta, NY (1918)
- Ontario Beach, NY (1895)
- Ontario Beach, NY (1899)
- Ontario Beach, NY (1912)
- Oriskany, NY (1895)
- Oriskany, NY (1898)
- Orwell, NY (1903)
- Orwell, NY (1905)
- Oswegatchie, NY (1916)
- Oswegatchie, NY (1918)
- Oswego, NY (1900)
- Oswego, NY (1960)
- Ovid, NY (1902)
- Owego, NY (1903)
- Owego, NY (1956)
- Oxford, NY (1904)
- Oyster Bay, NY (1897)
- Oyster Bay, NY (1898)
- Oyster Bay, NY (1900)