Historic Topographic Maps

Historic topographic maps are a trusted historical research source for the environmental site assessment process. They depict the physical features of property at a particular point in time and are useful in showing the evolution of development in an area providing a detailed view of changes.

Topographic maps feature thousands of symbols relevant to land including:

  • Bridges
  • Cemeteries
  • Churches
  • Coal gas sites
  • Contour lines
  • Forests
  • Lakes
  • Landfills
  • Mines
  • Pipelines
  • Rivers
  • Roads
  • Rural residences
  • Schools
  • Swamps
  • Transmission lines
  • Vegetation

Key Features:

  • Includes maps for a specific property from Envirosite’s collection which exceeds a quarter million historic topographic maps dating back to the 1800s
  • Includes maps from the 7.5-minute series but also includes comparable series of significant value including 15-minute
  • Coverage spans the entire United States including Alaska, Hawaii and Puerto Rico
  • Each map includes the name of the map, series, scale, year and revision year
  • Included are adjacent maps that cover the area near the subject property

 With Envirosite as your outsourced data and research provider, you have access to all this PLUS these invaluable tools:

Ability To Customize Map

  •  Add notes and drawings to the map–if desired
  •  Option to integrate as a part of the government records

Integrated Current/Historical Functionality

  • Fully integrate historical imagery with current government records–allows for the viewing and analyzing of both current and historical data together
  • Imagery transition tool allows for viewing of imagery by years across all image layers