1895
United States. War Department
1:634k
1794
Morse, Jedidiah
1:634k
1874
Gray, Ormando Willis
1:1m
1882
Cram, George Franklin
1:2m
1857
Colton, G.W.
1:1m
1855
Mitchell, Samuel Augustus
1:1m
1850
Mitchell, Samuel Augustus
1:1m
1857
Mitchell, Samuel Augustus
1:1m
1886
Colton, G.W.
1:1m
1848
Greenleaf, Jeremiah
1:1m