Plan showing the fire insurance risks of buildings in a city or town. Identifies commercial, industrial, and residential sections. Successive Sanborn maps show the physical evolution of buildings and neighborhoods in a given town.
Alternative Title:
Portsmouth, Va
Description:
"120 sheets ... (3124).", Coordinates not present on map and are approximated., Imperfect: all sheets after 21 wanting. Includes skeleton maps for sheets 3-6., Includes "Map of congested district of Portsmouth, Va." (scale 1:2,400)., Includes West Norfolk and Pinners Point., and Shows color-coded building construction material, locations of windows and doors, roof type, street widths and names, water facilities, proximity to fire stations, and population size.
Publisher:
Sanborn Map Company,
Subject (Geographic):
Portsmouth (Va.)--Maps
Subject (Topic):
Fire risk assessment--Virginia--Portsmouth--Maps. and Real property--Virginia--Portsmouth--Maps.