This map is Plate no. 23 from a J.H. Colton atlas of unknown date. Verso text: The District of Columbia. Other information: "Entered according to Act of Congress in the year 1855 by J. H. Colton & Co. in the Clerk's Office ...

Enumeration map edited and used by the U. S. Bureau of the Census for the 1920 decennial census. Map is a reprint from the original in the National Archives.

Prepared from the records of the Topographical Survey. Scale: 1 inch = 500 feet.

Map Scale: 1"= 100'. Date of aerial photography used to produce each map varies from April 1977- March 1989. Original maps were prepared for Baltimore City by Aerial Reduction Associates, Inc.

70 pages, illustrations, maps, 29 cm. . illustration

Other title: The United Railways and Electric Co. of Baltimore MD. Total Mileage of System 403, 278/1000

1 map : colored ; 20 x 27 cm.

This is the 1876 Baltimore City Directory map. 1 map; 34 x 37 cm

Produced from the records of the Topographical Survey. Scale: 1 inch = 500 feet.