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LOCATION.--Lat 39°20'45", long 76°51'25", Hydrologic Unit 02060003, at Granite. WELL CHARACTERISTICS.--Drilled, unused, water-table well, depth 250 ft; casing diameter 10 in., to 50.7 ft; casing diameter 6 in. with depth to 71.3 ft; open hole. DATUM.--Land-surface datum is 489.48 ft above North American Vertical Datum of 1988 Measuring point: Top of casing, 1.60 ft above land surface. PERIOD OF RECORD.--November 1956 to current year. EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 13.94 ft below land surface, June 24, 1972; lowest measured, 28.20 ft below land surface, Nov. 7, 2002. REMARKS.--Maryland Groundwater-Level Monitoring Network observation well. U.S. Geological Survey water-level telemeter at well. Monthly measurements with electric tape by U.S. Geological Survey personnel. COOPERATION.--Funding for the operation of this station is provided by the Maryland Geological Survey, and the U. S. Geological Survey.