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Meramec River at Jedburg, [.34 mi S of Jedburg;.66 mi SE of Sherman]

North Fork Hughes River, [1.0 mi. SW of Cairo, 6.3 mi. W of Harrisville]

Grand River

Tombigbee River below AL Rt. 114 bridge, [3.1 mi. NE of Pennington, 5.0 mi. ENE of Choctaw City]

Slate Creek, [2.4 mi. SW of Wyoming, 4.0 mi. NE of Owingsville]

Big Black River, 1st sand-gravel bar below bridge

Lake Erie, "E side Port Clinton"

Wisconsin River, [3.64 mi N of Clyde, 1.22 mi SW of Lone Rock]

Mississippi River, [2.6 mi. SW of Ferryville (WI), 4.2 mi. SE of Lansing]

Black Warrior River at US Rt. 11 bridge, [2.1 mi. NNE of Fosters, 8.2 mi. SW of the center of Tuscaloosa]

Green River at Riverside, downstream to mouth of Barren River at Woodbury (Dam No. 4)

Rio Yi

Big Walnut Creek [at Obetz], at Groveport Rd. bridge, [SE edge, 2.6 mi. WNW of Groveport, 7.6 mi. SE of center of Columbus]

Pine Creek, along Co.Rt. 10, 2.4 mi. NW of Lawco, 2.7 mi. SW of Superior, [9.2 mi. NW of Ironton]

Big Black River below US Rt. 49 bridge, [2.6 mi. S of Bentonia, 16.7 mi. S of Yazoo City]

Rappahannock River [at end of Banks Ford Road], at Lock No.4 +500' below, [0.6 mi. above mouth of Rocky Pen Run, 5.9 mi. WNW of Fredericksburg]

Ohio River, [0.7 mi. W of Apple Grove, 14.0 mi. S of Gallipolis (OH)]

Lake Creek off FM Rt. 1488, at bridge, 7.6 mi. ENE of Magnolia, 11.2 mi. WSW of Conroe

West Branch Huron River at Terry Rd. bridge, 3.6 mi. SSE of Monroeville, 5.2 mi. SW of Norwalk

East Fork Black River, [~2.15 mi N of Pray, ~4.9 mi ENE of Waterbury, 9.66 mi WNW of City Point, 11.57 mi E of Hatfield]

Hocking River, along OH Rt. 682, [0.8 mi. WSW of Athens], 1.0 mi. NNE of Elliotville

Powell River at McDowell Shoal Ford, [0.8 mi. SW of town of Martin Creek, 8.9 mi. NW of Sneedville]

Eagle Creek, along Twp.Rt. 28, 1.7 mi. NE of Logan Gap, 3.5 mi. ESE of Ripley

Meramec River at Times Beach, [about 17 mi. SW of Clayton]

Lake Erie at Gibraltar Island, boat slip, Put-in-Bay

Swift Creek at from NC Rt. 1003 bridge to NC Rt. 1310, [5.5 river miles collected, 3.2 mi. NE - 5.1 mi. N of Red Oak, 10.0-13.7 mi. NW of Rocky Mount]

Stony Creek

Mississippi River, [2.4 mi. SW of Camanche (IA), 5.8 mi. NNE of Cordova]

Chippewa River, [along WI Rt. 40, 4.4 mi. NNE of Bruce, 8.2 mi. NW of Ladysmith]

French Creek at Saegertown, 6 mi. N of Meadville

Buttahatchee River at Hwy 45 bridge, from Hwy 45 Bridge upstream about 4 mi. [1.77 mi NW of Kolola Springs, 4.56 mi SSE of New Hamilton]

Big Walnut Creek at to 0.5 mi. below Williams Rd. bridge, (from bridge to mouth of Alum Creek), [2.4-2.7 mi. ENE of Obetz, SE edge of Columbus]

Buttahatchee River at Caledonia access, [washed-out bridge site, 1.9 mi. NW of Caledonia, 14.9 mi. NNE of Columbus]

Fish Creek 500 m below Co.Rt. C-50 bridge, [2.2 mi. E of Arctic, 1.9 mi. NW of Edgerton]

Sipsey River at CR23/181 bridge, [1.4 mi NW of Lewiston; 3.8 mi NE of Pleasant Ridge]

Black River, [2 mi. NNE of Irving, 7 mi. S of Black River Falls]

Deer Creek above OH Rt. 38 bridge, 2.7 mi. NNE of Summerford, 4.5 mi. N of London

Illinois River, 5 mi. below Beardstown

Stillwater River at Stillwater Prairie Reserve, [0.5 mi. WNW of Clayton, 2.8 mi. NNE of Bradford, 12.8 mi. NW of Troy]

Clinch River at Kyles Ford, [0.2-0.3 mi. above old Kyles Ford, 0.4 mi. S of town of Kyles Ford, 10.0 mi. ENE of Sneedville]

Mississippi River, [5.8 - 6.2 mi. NE of Palmyra (MO)]

Mississippi River at Hunte Channel, S shore, 2.4 mi. SSW of Prairie du Chien

Bourbeuse River at MO T bridge, [0.11 mi S of Tea, 6.13 mi S of Rosebud]

Pitman Creek at Clay Hill Church, [0.5 mi. S of Ruth, 4.9 mi. ESE of Somerset]

Illinois and Michigan Canal at bridge, between Twp.Rt. 20 and 21, [5.3 mi. WSW of Minooka], 5.5 mi. ENE of Morris

Mississippi River, "downstream from ..."

Middle Island Creek, 4.0 mi. E of Middlebourne

Hall Creek, and Flat Creek

Specific Locality Unknown

Lake Erie at Fishery Bay, South Bass Island, 300 ft. W of Gibraltar Island dining hall, 0.4 mi. NW of Put-in-Bay