20221109 09383700 1.0 TRUE 70-360 Acre Stream Network This feature class includes streams draining a watershed with a drainage area of greater than 70 acres. A high-resolution Digital Elevation Model (DEM) of the county, created from over 1.1 million spot elevations, was used to create synthetic stream networks at 70ac a threshold. Contact: Department of Public Works & Environmental Services, Dipmani Kumar Data Accessibility: Publicly Available Update frequency: As needed Creation date: 1/1/2004 Fairfax County, Virginia; Land Development Services