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Apalachicola River at Rte 90 bridge, [.98 mi SW of Chattahoochee; 3.93 mi SE of Sneads]

Kiamichi River at St. Hwy. 2 bridge, [9.21 mi NW of Snow; 11.78 mi SE of Daisy]

Lake Marion at Santee-Cooper NWR, [7.95 mi S of Summerton;15.41 mi SE of Elloree]

Cahaba River, [9.12 mi NW of Selma; 5.17 mi NE of Milton Junction]

Ochlockonee River, [7.22 mi W of Norfleet; 10.29 mi SE of Quincy]

Sipsey River at CR2/156 bridge, [11.86 mi E of Aliceville; 11.30 mi NW of Ralph]

Martin Lake, [6.88 mi SW of Jackson's Gap; 6.04 SE of Alexander City]

Clinch River at Raven, [3.0 mi. W of Richlands]

Illinois River at SH 100 bridge, [1.29 mi S of Hardin; 2.80 mi WNW of Shaw Hollow]

Big River, [1.57 mi SE of Fletcher; .66 mi W of Frumet"

East Fork Little Miami River at Batavia, "at lowhead dam"

Muscatatuck River above bridge, [0.7 mi. SW of Vernon, 1.5 mi. S of North Vernon]

Big River at Morse Mill access, [.12 mi SE of Morse Mill; 4.77 mi SW of Belew Creek]

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

Meramec River, [1.18 mi WSW of Valley Park; 1.04 mi WNW of Peerless Park]

Holston River at Strawberry Plains, [12.1 mi. WSW of Jefferson City]

Concord River, near where the Minute Men were gathered April 19, 1775 and fired the shot heard round the world

Bloomington Creek, about 3 mi. ESE of Bloomington, 5 mi. NNE of St. Charles

Hillsborough River, 4 mi. NE of Temple Terrace

Lake Pontchartrain, NW of New Orleans

Lake Ontario at Long Pond, 1-2 mi. SE of Braddock Heights, 13-14 mi. NE of Brocksport

Lake Jackson, NE shore, 2 mi. NW of Sebring

found in the excavation of the wash house at Adena, W of Chillicothe

Erie Canal at Clinton, [8 mi. SW of Utica]

Marchs Pond at Durham, about 10 mi. NW of Portsmouth

Mississippi River, [.02 mi W of Prairie Du Chien; 1.9 mi ENE of Marquette]

Small "lakes", S of Santa Fe City

Rio Paraguay

Small "lakes", near Rosaria

Niigata

Rio Yuna at Presa de Rincon, near Bonao

Licking River, along KY Rt. 7, 2.0 mi. SE of West Liberty, 1.9 mi. W of Cottle

Kaitaia River, in sandy mud, quiet shallow backwaters, near Kaitaia, Northland

Rice Paddy Fields, near Tokyo

Ngadda River, S of Maiduguri

Sakaekrung River, Uthaithani Province, central Thailand

Rio Coribici, 5 mi N of Canas, Near bridge on Pan Am Highway

Sibiti River [at its mouth], at SW end of Lake Eyasi

Coquitlam River, Vancouver

Rio Sandillal at Pan Am Highway, 2 mi NW of Canas

Wembere River at Kirurumo, (or a tributary) at "Waterhole #2", [ca. 50 mi. W of Manyoni, 100 mi. SSE of Tabora]

Sheboygan River, below Kohler Dam, [1.2 mi. SE of Kohler, 2.2 mi. E of Sheboygan Falls]

Pigeon River at WI Rt. 42 bridge, [1.3 mi. SE of Erdman]

Wisconsin River, [.46 mi SW of Gotham; 2.72 mi NE of Avoca]

Meramec River at I-44 bridge, [.32 mi NE of Times Beach; .88 mi SE of Crescent]

Terwillegars Pond, (E-7), on South Bass Island

Meramec River at SH 141 bridge, [1.18 mi WSW of Valley Park; 1.04 mi WNW of Peerless Park]

East Fork Amite River, 8 mi W of Gillsburg [7.28 mi NE of Felixville; 9.60 mi S of Liberty; 10.75 mi SW of Peoria]

St. Francis River, side channel 4.3 mi. N of Cardwell, [15.5 mi. SW of Kennett]

St. Croix River at Hudson, at RR trestle bridge, [0.55 mi NW of Hudson; 5.58 mi N of Afton]