Shortly after digitizing and automating our mapping system, our GIS model saved Loudoun approximately $700,000 in the site selection of a new landfill, according to a U.S. Geological Survey study.

Loudoun County, Virginia’s pre-eminent map-maker and historian Eugene Scheel will talk about his latest map at 2 p.m. May 21 as part of the Lovettsville (Virginia) Historical Society’s monthly ...