1886
Mitchell, Samuel Augustus
1:900k
1856
Colby, Charles A.
1:1m
1960
Williams and Heintz Map Corporation
1:250k
1831
Young, James H.
1927
National Map Company
1938
Pennsylvania State Publicity Commission.
1:825k
1796
Winterbotham, W.
1876
Caldwell, Joseph A.
1:792k
1758
Washington, George
