Note 30 — CHAPTER ONE
Reading edition
Hazel Shields Garrison, "Cartography of Pennsylvania before 1800," PMHB, LIX (1935), 255-283. Information on Adlum's maps was obtained from [T. Kenneth Wood], "Map Drawn by John Adlum, District Surveyor, 1792, Found Among the Bingham Papers," Now and Then, X (July, 1952), 148-150.