Plan of Fort Pownal at Penobscot built 1759.

Scale not given.
Manuscript, pen-and-ink and watercolor.
"No. 21."
Watermark: J. Whatman.
Includes 3 profile views.
LC Maps of North America, 1750-1789, 837
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2: 440