TY  - BOOK
TI  - Plan Of That Part Of The Potowmack River Which Applies To The First Report On Defencible Positions By William Tatham 27 May 1813
KW  - 1. Potomac River
N2  - Shows the Potomac River from below Briton's Bay to Great Falls.  Includes water depths, locations of creeks, forts, ferries, farms, and notes about tides
UR  - https://tudorhall.stmaryshistory.org/maps/map-051.pdf
ER  -