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Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
551028	VA	Alexandria	Cameron Run by I-495 bridge	2013	2070010	Middle Potomac-Anacostia-Occoquan	established
543895	VA	Alexandria	Four Mile Run	2009	2070010	Middle Potomac-Anacostia-Occoquan	established
1338254	VA	Alexandria city	Fourmile Run	2008	2070010	Middle Potomac-Anacostia-Occoquan	established
544321	VA	Arlington	Potomac River at Fletchers Boathouse	2011	2070010	Middle Potomac-Anacostia-Occoquan	established
544525	VA	Arlington	Potomac River, at Chain Bridge	2009	2070010	Middle Potomac-Anacostia-Occoquan	established
544100	VA	Arlington	Potomac River, at Chain Bridge	2009	2070010	Middle Potomac-Anacostia-Occoquan	established
544531	VA	Arlington	Potomac River, at Chain Bridge	2009	2070010	Middle Potomac-Anacostia-Occoquan	established
543959	VA	Arlington	Potomac River, at Chain Bridge	2009	2070010	Middle Potomac-Anacostia-Occoquan	established
544315	VA	Arlington	Potomac River, Gravelly Point	2010	2070010	Middle Potomac-Anacostia-Occoquan	established
543949	VA	Fairfax	Accotink Bay	2010	2070010	Middle Potomac-Anacostia-Occoquan	established
644221	VA	Fairfax	Accotink Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
167999	VA	Fairfax	Accotink Creek [see Fort Belvoir]	2006	2070010	Middle Potomac-Anacostia-Occoquan	established
644173	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643734	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643735	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643736	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643737	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643738	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643740	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
644206	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
644103	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
644104	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
644122	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643732	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
643733	VA	Fairfax	Accotink Creek at confluence with Pohick Creek	2007	2070010	Middle Potomac-Anacostia-Occoquan	established
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These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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