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DESCRIPTION:

Latitude 38°47'34",   Longitude 77°02'15"   NAD27

District Of Columbia, Dist. of Columbia, Hydrologic Unit 02070010

Drainage area: 11,880.00 square miles

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples	1966-09-21	1981-09-22	301
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