1894
DRAKE, Samuel Adams.
1894
SHALER, Nathaniel Southgate.
1861
1783
1923
Department of the Interior U. S. Geological Survey
1:125k
1861
L. Prang & Co.
1818
Madison, Rev. James
1:444k
1610
Mercator Gerhard
1862
L. Prang & Co.
1862
Petermann, August
1:1m