TopoZone is a website operated by Locality LLC that offers free online topographic maps.
It was founded in November 1999 by Ed McNierney whose company Maps a la carte, Inc. operated out of North Chelmsford, Massachusetts.
[2] TopoZone was one of the first topographic mapping site on the web, providing visitors with free viewing and printing of the full set of United States Geological Survey topographic maps covering the entire United States.
TopoZone offered aerial photographs from the USGS and street maps from the United States Census Bureau.
Demand Media discontinued the site in 2014 and it was eventually acquired by Locality LLC and relaunched in December 2015.