1858
Walling, Henry Francis, 1825-1888
1:48k
1890
Geological Survey (U.S.)
1:63k
1856
Walling, Henry Francis, 1825-1888
1:49k
1894
Geological Survey (U.S.)
1:63k
1890
Geological Survey (U.S.)
1:63k
1935
1:63k
1935
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1894
1:63k
1890
1:63k
1890
1:63k
1889
1:63k