A reconnaissance of the Potomac River from Point Lookout to Washington City
Scale 1:200,000. LC Civil War Maps (2nd ed.), 17.85 At head of title: U.S. Coast Survey, A.D. Bache, Supdt. Pencil note in the bottom margin reads "This is the first chart of the Potomac River issued by the Coast and Geodetic Survey. Inform. obtained from C. & G. (Mr. Ellis) Aug. 23, 1932." Preliminary chart indicating place names and soundings. Includes "Sailing directions for ...
United States Coast Survey - Phelps, T. S. - Maedel, J. W.
Potamac River (in four sheets).
Scale 1:40,000 and 1:60,000. LC Civil War Maps (2nd ed.), 35.2 Various issues of each sheet, some colored. Sheets 1 to 3 titled as above; sheet 4 titled "Preliminary chart of the Potomac River (in four sheets)" Sheets 1 to 3 published at the scale of 1:60,000; sheet 4 is at 1:40,000. Chart of the Potamac River from Washington, D. C., to its entrance ...
United States Coast Survey
Map shewing [sic] vicinity of Harper's Ferry, Virginia, and the upper Potomac River.
Concerns an area of Maryland and Virginia between the towns of Cumberland, Md., on the west and Harpers Ferry, Va. [now W.Va.], on the eastern side of the map. Sneden details the mountainous topography highlighting rivers, especially the Potomac River, and including the rail system through this area. Just north of Winchester, Va., there is a line of unidentified Confederate troops. The only other ...
Sneden, Robert Knox
[Map of the lower Potomac River showing picket lines, January 1862]
Concerns Union and Confederate pickets positioned north and south around Pohick Church and Accotink in Fairfax County, Va., in January 1862. Includes a balloon pictured near Pohick Church and labelled as "Decr. 1861," but as noted in Sneden's diary text on pp. 374-376, he indicates that Professor Thaddeus S. C. Lowe also was using the surveillance hot-air balloons in the same area in January ...
Union forts on Maryland shore
[Contours of Union forts on the north side of the Potomac, 1862] :
Shows the names and configurations of Union fortifications on the Maryland side of the Potomac River in 1862, and in some cases the name of the regiment that built the structure. This appears to be a companion piece to the image on p. 43.
Potomac River (in four sheets)
Chart of the Potomac River from Washington, D.C. to its entrance into the Chesapeake Bay. Chart indicates soundings, tides, lighthouses, and the shoreline configuration. Description derived from published bibliography. Maps numbered 20-23 in upper left corners. Seal of U.S. Coast Survey Office printed below the map title. Similar to no. 35.2, LC Civil War maps (2nd ed.) This item is in the Map Collection ...
United States Coast Survey - Bache, A. D. (Alexander Dallas)