LOCATION.--Lat 39°20´47", long 76°51´23", Hydrologic Unit 02060003, at Granite.
AQUIFER.--Woodstock Granite of Paleozoic age.  Aquifer code: 300WDCK.
WELL CHARACTERISTICS.--Drilled, observation, water-table well, depth 44.5 ft; Upper casing diameter 2 in; 
   top of first opening 39.5 ft, bottom of last opening 44.5 ft.
INSTRUMENTATION.--Measurements by U.S. Geological Survey personnel.
DATUM.--Altitude of land surface is 490 ft above North American Vertical Datum of 1988,from topographic map.
   Measuring point: Top of 2 in. casing, 4.08 ft above land surface.
REMARKS.--Maryland Water-Level Network observation well. U.S. Geological Survey water-level telemeter at well.  
PERIOD OF RECORD.--April 2007 to current year.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, Unknown  below land surface;
   lowest measured, Unknown ft below land surface.
COOPERATION.--Funding for the operation of this station is provided by the Maryland Geological Survey, 
   the Maryland Department Of The Environment, and the U. S. Geological Survey.