The fractured rock region of Maryland, which includes land areas north and west of the Interstate 95 corridor, is the source of water supply for approximately 4.4 million Marylanders, or approximately 76 percent of the State's population. Whereas hundreds
Fleming, Brandon J. bjflemin@usgs.gov,Hammond, Patrick A.,Stranko, Scott A.,et al. A science plan for a comprehensive assessment of water supply in the region underlain by fractured rock in Maryland. 2012-01-01.