Environmental Due Diligence

EDR^® Historical Topographic Maps

Advanced mapping solutions for faster, easier evaluation. Historical topographic maps with QUADMATCH® aid environmental professionals in reviewing potential liability resulting from past activities. QUADMATCH intelligently presents USGS historical topographic quad maps dating back to the early 1900s.

Key Benefits

Center your target property

Align adjoining georeferenced maps to easily review the right information every time.

Identify potential concerns

Reference 6,500 proprietary maps for detailed environmental issues.

Track changes over time

Enjoy the benefits of unified map scales and quickly compare current views against historical perspectives.

QUADMATCH^®

QUADMATCH intelligently presents USGS historical topographic quad maps dating back to the early 1900s.

Dates back to the early 1900s
Your target property is centered and adjoining georeferenced maps are aligned, so you can easily
review the right information every time.
Maps scales are unified, so you can effortlessly follow changes over time.
Enables your detailed review of map features with high resolution imagery.
Most reports delivered as one PDF
Topographic maps also provided in LightBox Live
Identify potential environmental concerns
6,500 proprietary maps