[The course of Delaware River from Philadelphia to Chester, exhibiting the several works erected by the rebels to defend its passage, with the attacks made upon them by His Majesty's land & sea forces.

Scale ca. 1:32,400.
Title from the author's The course of Delaware River ... 1778.
Manuscript, pen-and-ink (black and red) and watercolor.
Shows soundings, disposition of ships, etc.
Names "Fort Mifflin" and "Fort Mercer" added in a different hand.
Includes "A sketch of Fort Island" and "Profile and plan of the sunk frames or chevaux de frise which formed the stockadoes in the river."
LC Maps of North America, 1750-1789, 1361
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2: 100; 651