1992
1:24k
1961
1:24k
1961
1:24k
1961
1:63k
1961
1:63k
2006
1:127k
1878
Snyder, Van Vechten & Co.
1:127k
1930
Standard Map Company
1:146k
1911
Marshall, R. B.; Herron, W. H.; MacDonald, H. L.; Penn, W. C.; United States Geological Survey
1:63k
1961
1:24k