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near Quevedo, N. Guayaquil, on muddy bottom, in dry season

Scioto Brush Creek below Tatman-Coe Rd. bridge, about 1 ½ mi. W of McDermott

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

Amite River, [2.37 mi NW of French Settlement, 6.37 mi NE of Saint Amant]

Yellow Creek at and 1.5 mi. below Wild Cat Rd. bridge, [3.4 mi. NE to 2.5 mi. NE of Steens, 5.6 mi. WNW to 5.7 WNW of Caledonia]

Middle Fork Salt Creek

Illinois River at Havana

Lake Marian, NE shore, 3 mi. W of Kenansville, 31.5 mi. ENE of Frostproof

Mississippi River, [.13 mi NW of Cordova; 6.16 mi NE of Princeton]

Mississippi River at Lake Pepin, W shore, [2.2 mi. SE of Lake City, 10.8 mi. WNW of Wabasha]

Little Darby Creek, at end of Twp.Rt. 137, [3.6 mi. NE of Lafayette, 7.8 mi. NE of London]

Turtle Creek, NW of Limestone

Fitzroy River, "below Willare bridge, Great Northern Hwy."

Mississippi River, "on island opposite reform school," [1.6 mi. E of Red Wing, Pool 4]

Little Wolf River, [4.8 mi E of Ogdensburg, 3.8 mi NW of Royalton]

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

Caesar Creek at Harveysburg, below OH Rt. 73 bridge, N edge, 4 mi. ESE of Waynesville

Cowan Creek at Champlin Rd. bridge, just above the Cowan Lake impoundment, 5 mi. SW of Wilmington, 1.5 mi. NW of Cuba

Tuscarawas River, "near Zoarville", [about 6.5 mi. NNE of New Philadelphia]

Wabasis Creek, "below Mill Dam"

Bear Creek under Highway 24 bridge, East of Red Bank, North of Old Burleson

Mississippi River, 1.3 mi. W of Buffalo, 4.2 mi. SSE of Blue Grass

Erie Canal at Troy

pond at Nancy Lake Junction on HWY #3, N side of Highway [1.56 mi NW of Nancy, 2.68 mi S of Willow]

Ochlocknee River at Havana, at Rte27 bridge, "5 mi SSE of Havana

Mississippi River, W side main channel, 2.4 mi. S of McGregor, [3.9 mi. SSW of Prairie du Chien (WI)]

Alum Creek, just N of Rts. 36 & 37

Mississippi River at Mill Coulee archaeol. site, on floodplain, [5.0 mi. N of Prairie du Chien], ca. A.D. 250-600

Cole Camp Creek at MO Rt. H bridge, 0.8 mi. NW of Edmonson, [9.7 mi. NE of Warsaw]

Chattahoochee River, 1.7 mi WNW of athens Boat Club ~8 mi S of Dawsonville

Black River at Markham Spring National Forest, 4 mi. NW of Williamsville, 5 mi. SE of Mill Spring

Victoria River, N.T., Australia

St. Francis River, 2.8 mi. NE of Rombauer, 7.4 mi. NNW of Fisk, 11.5 mi. NE of Poplar Bluff

Black River at Hendrickson, below US Rt. 67 bridge, 11 mi. NNW of Poplar Bluff [0.66 mi W Hendrickson; 1.8 mi SE Keeners]

North Turkeyfoot Creek at Co.Rt. V bridge, [3.0 mi. NW of Liberty Center, 7.1 mi. NE of Napoleon]

Alabama River (Millers Ferry Reservoir) at East End Park, at SE end of Rte28 Br. bridge, 10 mi W of Camden

Trimble Creek at 600 West Road bridge, [0.8 mi. NW of Palestine, 6.3 mi. SW of Warsaw]

Mississippi River at Pool 8-167, Pool 8-167 [9.76 mi E of Galesville, 1.94 mi SW of North Bend]

Mississippi River at Pool 10-129, Pool 10-129 [0.4 mi W of Glen Haven, 5.62 mi S of Bagley]

Ohio River, [.24 mi E of Mound City; 1.69 mi NE of Golden Lily]

Lake Erie at South Bass Island, Faishery Bay, under Research boat dock

Neosho River at Chetopa (small park), below Rte. 166 bridge, [0.5 mi W of Chetopa]

Ochlockonee River at SE corner, at US 27 more southerly bridge, [2.17 mi NW of Lake Jackson, 3.1 mi SE of Scotland]

Lake Borgne, off Bayou Thomas, just E (12 mi.) of New Orleans

Limestone Creek at Co.Rt. 24 bridge, 2.0 mi. E of Peets Corner, 9.0 mi. SE of Athens

Big Cypress Bayou at Bob Sandlin Reservoir, [5.73 mi E of Jefferson, 6.76 mi SW of Smithland]

Voorns Kanaal at Vlotbrug, [16-25 km WSW of Rotterdam]

Mississippi River at Pool 11-120, Pool 11-120 [0.36 mi W of Rutledge, 2.78 mi SW of Kieler]

Fall River at Wilson Ford

Mississippi River at Hunter Channel, S end, [2.8 mi. SSW of Prairie du Chien]