Mapping Pavement

Call No: GPML: G3844 .B3P2 1926 .B3,
Historic Map Collections of the Sheridan Libraries, Johns Hopkins University

This 1926 map, created by the Department of Public Works' Bureau of Highways, shows the extent of street paving in Baltimore.  The red lines indicate work done between 1923 and 1926.

For a closer look at this image, check out a high-res version directly from the source.  Please note that Growing Baltimore used a detail from this map to create the blog's header.