Harmar's papers includes material on events throughout the trans-Allegheny region--Pennsylvania, Virginia, Kentucky, and Tennessee as well as the region north of the Ohio River--and were loaned to Draper for copying in 1849-1850 by Josiah's son, William Harmar. Included are maps of Fort Steuben, Fort Franklin, the French Creek river (Pennsylvania), the area around the Big Beaver Creek (Pennsylvania), and Covalt's Station (Ohio).
