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Start Over You searched for: Collection George B. Schwabe Collection Remove constraint Collection: George B. Schwabe Collection Congress 80th (1947-1949) Remove constraint Congress: 80th (1947-1949)

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1. Road map (diazotype, blackline print); 30 7/8 x 25 7/8 inches, scale 1:800; Annotated and Inscribed (color-coded).

2. Building plan, flow chart (section, orthographic projection; positive photostat print); 10 15/16 x 23 7/16 inches; Shading (blue, red, pencil).

3. Hydrologic map, leaflet (printed work; isoline map; gel-lithograph, color); 11 x 16 15/16 inches.

4. Public utility map (sketch map; diazotype); 11 x 22 7/8 inches, 1 inch:16 miles.