Wholesale General Forbes' Route On the March Against Fort Du Quesne, in 1758 : This Map Is a Copy of the Original Map, General Forbes' Marching Jurnal sic to the Ohio J. Potts In the Collection of the Historical Society of Pennsylvania

Old map of Pennsylvania, United States. Created by John Forbes, Historical Society of Pennsylvania, Wm. D. (William D.) McGowan, John Potts in 1758. * Shows the route westward in Pennsylvania from Loudon, via Littleton, Fort Bedford, Stony Brook, Fort Ligonier, Washington's Camp, to Pittsburgh (Ohio River). * Relief shown pictorially. * Title from westernmost panel. * Manuscript: pen-and-ink (black) and graphite pencil. * Relief shown pictorially. * Indicates nature of the adjacent landscape along the hatched route line. * The date of the final rendering of the route by Dr. McGowan is not known (approximate).