Frontier Spatial
Map of Inner Heron Island, Maine and its surroundings 11,000 years before present, with a legend comparing the 9,000 B.C. shoreline and elevations to today's shoreline
Invasive species map of the Saranac Lakes Wild Forest
The Adirondack Atlas History tab over Long Lake, Raquette Lake and Blue Mountain Lake, with old USGS maps beneath today's

Data Maps History

Cartography, data and the stories of places.

Frontier Spatial, LLC

Colchester, VT

Crunching data since 2005