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USGS 01644900 GREAT SENECA CREEK AT BLACKROCK MILL, MD

  Stream Site

DESCRIPTION:
Latitude 39°07'37",   Longitude 77°18'47"   NAD83
Montgomery County, Maryland, Hydrologic Unit 02070008
Drainage area: 60.2 square miles
Datum of gage: 240 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
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OPERATION:
Record for this site is maintained by the USGS Maryland Water Science Center
Email questions about this site to Maryland Water Science Center Water-Data Inquiries