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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 about 4 years ago. 15 control points. |
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Layer | Title | Year | Number of Maps | Percent Complete |
---|---|---|---|---|
|
Maryland
Last modified 2 months ago. Bibiliographic records: Digital Collections |
93 maps |
49% (46 maps) |
|
|
States
Last modified about 1 month ago. Download KML Bibiliographic records: Digital Collections |
3706 maps |
17% (632 maps) |
|
|
United States (except New York)
Last modified about 1 month ago. Bibiliographic records: Digital Collections |
4888 maps |
19% (931 maps) |
|
|
Countries
Last modified about 1 month ago. Bibiliographic records: Digital Collections |
4929 maps |
19% (950 maps) |