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Todd Fork at Co.Rt. 45 (Middleboro Rd.) bridge, 1.1 mi. NW of Middleboro, 3.5 mi. E of Morrow

Little Muskingum River at access, 2.4 mi. E of Graysville, 5.5 mi. ENE of Marr

Pearl River, within 1 river mi. below Ross Barnett Dam, [4.0 mi. N of Luckney, 9.0 mi. NE of Jackson]

Big Darby Creek at Orient

specific locality unknown

Gasper River at KY Rt. 1083 (William Thompson) bridge, 2.3 mi. SE of Cave Hill, 5.0 mi. SSW of Hadley, 10.5 mi. W of Bowling Green

Cahaba River 150 yards below bridge, 1 mi. W of Suttle, [10.0 mi. SE of Marion]

Ohio River at Franklin Run embayment, [= drowned mouth of Chandlers Run, 0.2 mi. SW of Franklin Furnace, 6.0 mi. S of Wheelersburg]

Mississippi River at mouth of Basswood Creek, 3.25 mi. ENE of Balltown, 13 mi. NW of Dubuque

Clinch River at Cedar Bluff, at N&W railroad bridge, 1.7 mi. SE of Richlands, 14.3 mi. WSW of Tazewell

Grand River (OH) at Fairport Harbor, [SE edge, at archaeological site 1.9 mi. NW of Painesville]

Illinois River at SH 100 bridge, [1.18 mi E of Sugar Loaf 682; 1.16 mi SSE of Hardin]

Mississippi River at Harpers Slough, W shore, [3.5 mi. SW of Harpers Ferry]

Middle Island Creek, 2.0 mi. ENE of Arvilla, 2.0 mi. SSE of Ben's Run

Big Darby Creek, Voss Run upper, OEPA River Mile 33.5

Cane Creek at mouth of Cane Creek, about 2 miles NE of Barton, below Wilson Dam and behind Pickwick Dam [1.85 miles ENE of Barton, 2.05 miles W of Woodland

Olentangy River, along US Rt. 23, N of Delaware

Symmes Creek below OH Rt. 217 bridge, 0.3 mi. S of Willow Wood, 0.5 mi. E of Linnville, [11.8 mi. E of Ironton]

Steer Creek at Co.Rt. 7 bridge, 0.9 mi. NNW of Dodrill, [4.3 mi. SE of Grantsville]

Little Muskingum River at access, 1.2 mi. ESE of [town of] Moss Run, 2.0 mi. SW of Dart

Elk River at mouth of O'Brien Creek, 4.7 mi. ENE of Ivydale, 15 mi. SW of Sutton

Chippewa River, [along Co.Rt., 10.6 mi. S of Bruce, 14.0 mi. SW of Ladysmith]

Tennessee River at Chickamauga Reservoir, mussel camp, 3.5 mi. SE of Washington, 8.8 mi. E of Dayton

Muskingum River at Dresden, above OH Rt. 208 bridge, [13 mi. N of Zanesville]

Olentangy River, "5 mi. N of Delaware"

Walnut Creek (Pickaway Co.) just below OH Rt. 752 bridge, [1.8 mi. NE of Ashville, 2.5 mi. NW of Nebraska]

Mississippi River, Pool 10, [3 mi. NE of Guttenberg, 8 mi. SE of Carnavillo]

Chippewa River, [along Co.Rt., 9.0 mi. S of Bruce, 13.8 mi. SW of Ladysmith]

Little South Fork Cumberland River at mouth of Kennedy Creek, [3.0 mi. SSE of Coopersville, 11.1 mi. SE of Monticello]

Duck River at Sowell Ford, 1.8 mi. NW of Leftwich, 8.6 mi. E of Columbia

Spoon River, 1.5 mi. W of Wyoming

Vermilion River at bridge, 1.1 mi. NNE of Fitchville, 4.6 mi. WNW of New London

Illinois River, 1 ½ mi. above Henry

Little Darby Creek at Rosedale-Plain City Rd. bridge, [2.0 mi. NNW of Resaca, 2.7 mi. E of Rosedale, 7.7 mi.] WSW of Plain City

Cahaba River above US Rt. 31 bridge, 5 ½ mi. N of Pelham

Olentangy River, [2.6 mi. NNE of Linworth, 3.7 mi. SE of Powell, 11.8 mi. NNW of Columbus]

specific locality unknown

Ohio River

Mississippi River at St. Feriole Island, [E side of East Channel, ca. 1/2 mi. W of Prairie du Chien]

St. Francis River at MO 72 bridge, about 12 miles W of Fredericktown, [2.88 mi NNW of Silvermine; 1.4 mi E of Roselle]

Olentangy River just below Henderson Rd. bridge, [2.9 mi. SSW of Linworth, 6.6 mi. NNE of Columbus]

Wisconsin River, at Co.Rt. 00 end to 1/2 mi. upstream,[4.8 mi.ESE of Eagle Corners, 9.4 mi.S of Richland Center]

Cahaba River at Sprott boat ramp, downstream to Suttle, [ca. 13 stream miles, 5.5 mi. ENE to 10.0 mi. SE of Marion]

North Fork Holston River at SH 633 [SR 91 bridge, NE of Saltville [0.95 mi NE of Saltville; 0.3 mi WNW of Cedar Branch]

Blue River just above OK Rt. 7 bridge, 7 ½ mi. E of Reagan, 10 mi. NE of Tishomingo

Stoney Creek at IN Rt. 238 bridge, [1.4 mi. SE of center of Noblesville]

Vermilion River at Clarksfield, at bridge, W edge, 4.2 mi. S of Wakeman

Scioto River at Rt. 42 bridge

Tennessee River, just below Kentucky Dam

Big Darby Creek below Scioto-Darby Rd. bridge, 3.5 mi. S of Orient, 4.6 mi. NNW of Darbyville