PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 39°25'38.1", long 77°33'22.2", Frederick County, MD, Hydrologic Unit 02070008, 
   on right bank 300 ft downstream from bridge on State Highway 17, 1.3 mi south of Middletown,
   2.2 mi downstream from Little Catoctin Creek, and 14.8 mi upstream from mouth.
DRAINAGE AREA.--66.9 mi2.
PERIOD OF RECORD.--August 1947 to current year.
REVISED RECORDS.--WSP 1432: 1947-48. WDR MD-DE-77-1: 1960(M), 1965(M), 1970(M), 1972(P), 1975(P).
GAGE.--Water-stage recorder, crest-stage gage and concrete control. Elevation of gage is 385 ft above National Geodetic
   Vertical Datum of 1929, from topographic map.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,000 ft3/s, Oct. 9, 1976,
   gage height, 14.13 ft; minimum discharge, 0.0 ft3/s, no flow, Aug. 27 to Sep. 12, 1966.
COOPERATION.--Funding for the operation of this station is provided by the Maryland State Highway
   Administration, and the U.S. Geological Survey.