The harbor of Annapolis / founded upon a trigonometrical survey under the direction of A.D. Bache, superintendent of the Survey of the Coast of the United States ; triangulation by James Ferguson and Ferd. H. Gerdes, assistants ; the hydrography under th
from Maryland (In 4 layers) Depicts: 1846 Last modified almost 7 years ago. 7 control points.
A low resolution preview is shown below.