This survey of the River Patapsco and part of Chesapeake Bay,

Scale ca. 1:40,960.
Depths shown by shading and soundings.
LC copy annotated in blue pencil and red ink.
LC copy imperfect: Torn along fold lines, sections of upper and lower edges missing.
Includes notes, "Description of ranges," and insets of "Annapolis Harbour & roads" and "Survey of the harbour of Baltimore and the waters adjacent."
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2