Maryland Ground-Water Observation Well Network, 2001

MDNET is a point coverage that represents the locations and names
of a network of observation wells for the State of Maryland. Additional
information on water conditions at these sites can be found in the
Ground-Water Site Inventory System (GWSI) database, which is maintained
by the U.S. Geological Survey. Site information can be accessed on the
internet at URL: <http://water.usgs.gov/nwis/>