Plan of "Cantonment Sprague" near Washington D.C. : occupied by 1st Regiment R.I. Detached Militia

Shows temporary military encampment grounds and internal facilities near Bladensburg (Prince George's County, Md.) during the American Civil War.
Also shows individual trees pictorially, building locations, and shooting range.
Relief shown by hachures.
LC copy imperfect: Darkened, brittle, fold-lined, missing small sections along sheet edges, annotated in lead-pencil, tears taped on verso.
Includes index of barracks (occupants' group names given for each), illustration of American flag on pole, perspective illustration of "End view of hut", floorplan (inset), and end plan (inset).
Available also through the Library of Congress Web site as a raster image.