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?t=t&id=57036551 Map of the Department of the Columbia / Projected and compiled at the Engineer Office, Department of the Columbia, by Lieut. Thomas W. Symons, Corps of Engineers ; assisted by Alfred Downing and C.C. Manning, topographical assistants, U.S. Army ; draw...
From Parts (In 4 layers) Depicts: 1887 Last modified 16 days ago. 5 control points.
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Layer List for Map 31483
Layer Title Year Number of Maps Percent Complete
?t=t&id=434609 Maps of North America
Last modified 9 minutes ago. Depicts : Download KML Bibiliographic records: Digital Collections
4049 maps 10%
(420 maps)
?t=t&id=1030033 Parts
Last modified 5 days ago. Bibiliographic records: Digital Collections
646 maps 20%
(128 maps)
?t=t&id=1030033 United States (except New York)
Last modified 9 minutes ago. Bibiliographic records: Digital Collections
4886 maps 14%
(676 maps)
?t=t&id=1030033 Countries
Last modified 9 minutes ago. Bibiliographic records: Digital Collections
4927 maps 14%
(693 maps)
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