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Kokosing River at Twp.Rt. 203 bridge, [2.7 mi. SE of Millwood], 14 mi. E of Mt. Vernon

Mississippi River at Hamburg, near a boat ramp about 1.25 mi N of the road from Michael [1.25 mi N of Hamburg, 4.65 mi NE of Dameron]

specific locality unknown

Tombigbee River, at large island 2 mi. SW of Pickensville, [9.8 mi. NW of Aliceville]

Wabash River at Cayuga Power Plant, [3 mi. N of Newport, 3 mi. SE of Cayuga]

Ohio River, near Rockport, [about 27 mi. ESE of Evansville]

Cumberland River at Rome Ferry landing, 6.7 mi. W of Carthage

Tombigbee River, at island below mouth of Tibbee Creek, 4.4 mi. NW of Columbus, 11.7 mi. NE of Artesia

Bayou Pierre at bridge, [1.2 mi. E of Smyrna, 5.6 mi. W of Hazelhurst]

Big Piney River, 5.25 mi. NNW of Flat, 18.5 mi. SE of Rolla

Mississippi River, [1.48 mi NNW of Hamburg; 2.43 mi NW of Lost Hollow]

Clear Fork Mohican River above OH Rt. 3 bridge

Big Darby Creek at Battelle-Darby Metro Park, 0.3 mi. above mouth of Little Darby Cr., [0.5 mi.NNE of Georgesville, 12.4 mi. WSW of Columbus]

North River

Clinch River, "approx. 10 mi. above US Rt. 25E bridge," [10-11 mi. E-ESE of Tazewell]

Tombigbee River at mouth of Buttahatchie River, 11 mi. WSW of Caledonia, 12 mi. NNW of Columbus

West Prong Little Pigeon River at Sevierville, [at US Rt. 411/441 bridge, [at its mouth]

Rockcastle River at mouth of Eagle Creek, [2.9 mi. SE of Pongo, 8.0 mi. SW of Livingston]

Little Salt Creek below Hickman Rd. bridge, 1.6 mi. SSE of Brocks Corner, 4.0 mi. SE of Richmond Dale

St. Francis River, from Armstrong shell camp at Marked Tree [collected in vicinity of Marked Tree]

Maumee River below The Bend Rd. bridge, along US Rt. 24, [0.6 mi. S of the town of The Bend, 8.1 mi. W of Defiance]

Little Muskingum River below bridge, 1.2 mi. NE of Jericho, 2.4 mi. N of Brownsville

Little Miami River at mouth of Caesar Creek, 2.9 mi. S of Waynesville, 5.1 mi. W of Harveysburg

Alum Creek above OH Rt. 161 bridge

Salt Creek at US Rt. 35 bridge, 0.3 mi. SE of Richmond Dale, [13.0 mi. E of Chillicothe]

Vermilion River at bridge, 2.8 mi. NNE of Fitchville, 4.9 mi. NW of New London

Muskingum River at Lowell, [below dam], 8.8 mi. NW of Marietta

Logan Creek above bridge, 4.9 mi. NNW of Winslow, [15.2 mi. NNW of Fremont]

Tombigbee River, E bank, 2.1 mi. SSW of Columbus, 12.4 mi. ENE of Artesia

Muskingum River, just above Beverly Power Plant intake, 1.7 mi. ESE of Mill Grove, 9.9 mi. ESE of McConnelsville

Tennessee River, shell mound on N bank opposite Brush Creek Island, 1 mi. SE of Wright, 18 mi. WNW of Florence

Glover River above OK Rt. 3/OK Rt. 7 bridge, 2.0 mi. N of Glover, 10.5 mi. WNW of Broken Bow

Fuh Chan

Bourbeuse River at MO T bridge, about 7 miles south of Rosebud [6.11 mi S of Rosebud; .13 mi SW of Tea]

St. Francis River, off of MO MM about 1 1/2 - 2 mi E of MM and about 12 miles W of Fredericktown) [3.31 mi ENE of Roselle; 10.57 mi WNW of

Bourbeuse River at MO T bridge, [6.11 mi S of Rosebud; .13 mi SSE of Tea]

Mississippi River at Indian Isle, N end, in East Channel, [2.1 mi. SW of Prairie du Chien]

Bear Creek, [1.2 mi. ESE of Mingo, 3.5 mi. E of Tishomingo]

Mississippi River at Prairie du Chien, above US Rt. 18 bridge, East Channel

Big Darby Creek at and below end of Brooks Rd., [0.9-1.7 mi. SSE of Darbyville, 4.9-5.7 mi. NW of Fox]

St. Francis River at Madison, at SH 50 bridge, [2.1 mi WSW of Widener, 1.5 mi ESE of Forester Lake Dam #4]

Indian Creek at Redstone Arsenal, 1 mi. SW of Huntsville

Meramec River at Rankin Estate Drive in Peerless Park, (about 1 mi W of MO 141 in Valley Park) [1.24 mi WNW of Peerless Park, 1.66 mi SW of Twin Oaks]

Lake Erie, beach at Fishers Pond, NW corner Middle Bass Island, 2.4 mi. NW of Put-in-Bay

Wisconsin River, [1 mi SE of Bridgeport, 3 mi NW of Brodtville]

Chattahoochee River

Mohican River, just above its mouth, 0.5 mi. W of Walhonding, 5.0 mi. WNW of Nellie

Mississippi River, [7.8-9.0 mi. SE of Hannibal (MO)]

Sandusky River at Co.Rt. 37 bridge, 2.3 mi. W of Belle Vernon, 5.3 mi. E of Crawford

Scioto River below bridge, 2 mi. W of Piketon, [0.8 mi. NNE of Jasper, 5.7 mi. SW of Waverly]