Coast Survey Map of the City of Petersburg after the Keily Map of 1854
NOAA 596-00-1861 detail. This Petersburg map is an inset on a larger page that also shows a rough survey of the Namozine River and vicinity, titled "Map Showing Several Counties in Virginia." This map appears to be another copy of the "James Keily Map, 1854" shown below.
NARA G 164 Flat. This is a photographic copy (1864) from the files of the Engineer Department of a map drawn by James Keily and published by J. D. Scott in 1854.