1902
US Geological Survey
1:1m
1898
J. B. Tyrrell
1970
Geological Survey (U.S.)
1:2m
News-Advertiser
1833
Arrowsmith, Aaron
1:4m
1878
Johnston, J.
1:12m
1925
Admiralty
1867
U.S. Coast Survey
1:5m
none
Davidson, George