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Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
49	WA		state non-specific	1966	17000000	Pacific Northwest Region	established
616823	WA	Asotin	Lewiston, 4 mi W	1950	17060107	Lower Snake-Tucannon	unknown
616851	WA	Clark	Bower's Slough	1991	17080003	Lower Columbia-Clatskanie	unknown
616852	WA	Clark	Bower's Slough	1991	17080003	Lower Columbia-Clatskanie	unknown
163857	WA	Clark	Ridgefield National Wildlife Refuge	2005	17080003	Lower Columbia-Clatskanie	established
163860	WA	Clark	Steigerwald Lake National Wildlife Refuge	2005	17080001	Lower Columbia-Sandy	established
616813	WA	Clark	Vancouver	1931	17080003	Lower Columbia-Clatskanie	unknown
616816	WA	Cowlitz	Ostrander	1936	17080005	Lower Cowlitz	unknown
616814	WA	Cowlitz	Silver Lake	1931	17080005	Lower Cowlitz	unknown
616815	WA	Cowlitz	Silver Lake	1931	17080005	Lower Cowlitz	unknown
616824	WA	Franklin	Sacajawea Park	1958	17020016	Upper Columbia-Priest Rapids	unknown
163835	WA	Grant	Columbia National Wildlife Refuge	2005	17020015	Lower Crab	established
163842	WA	Grant	Hanford Reach National Monument/Saddle Mountain National Wildlife Refuge	2005	17020016	Upper Columbia-Priest Rapids	established
616856	WA	Klickitat	Balch Lake, south shoreline	1995	17070105	Middle Columbia-Hood	unknown
242771	WA	Klickitat	Conboy Lake National Wildlife Refuge	1997	17070106	Klickitat	established
163837	WA	Klickitat	Conboy Lake National Wildlife Refuge	2005	17070106	Klickitat	established
616817	WA	Klickitat	Grand Dalles, along Columbia River	1938	17070105	Middle Columbia-Hood	unknown
616819	WA	Klickitat	Grand Dalles, along Columbia River	1938	17070105	Middle Columbia-Hood	unknown
616820	WA	Klickitat	Grand Dalles, along Columbia River	1938	17070105	Middle Columbia-Hood	unknown
616821	WA	Klickitat	Grand Dalles, along Columbia River	1938	17070105	Middle Columbia-Hood	unknown
878020	WA	Pierce	Clover Creek, just S of Lake Steilacoom	2015	17110019	Puget Sound	established
878021	WA	Pierce	Clover Creek, just S of Lake Steilacoom	2015	17110019	Puget Sound	established
878039	WA	Pierce	ditch along Stewart Road just E of Sumner Creek	2009	17110014	Puyallup	established
260475	WA	Pierce	Fort Lewis Military Reservation	1995	17110015	Nisqually	established
878036	WA	Pierce	South Prairie Creek at Hwy 162 bridge	2015	17110014	Puyallup	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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