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Creek & Essequibo River (Atlantic Dr.), 32.9 km SE of mouth of Kuyuwini River.

río Apure, ca. 5 km upstream of mouth of río Portuguesa.

Savannah River near Brigham's Landing; mile 143.9.

small shallow inlet of Buyr nuur (lake) near mouth of Halhin River, ca. 9 km west of Dzagas, elevation 585m.

Grand Bahama Island; off Settlement Point, W end of island.

Lancetilla.

Rio Amazonas Basin; purchased from ornamental fishermen in Iquitos (Belén).

Golfo de Cariaco, Peninsula de Araya, Laguna Chica.

Canton Island.

Adriatic Sea.

Rio Nanay: confluence of creek with Rio Nanay about 0.25 mi. below Santa Clara.

Tingo Maria.

St. Johns River.

Arcata.

Comores.

Wateree River, ca. 8 miles downstream from U.S.Highway #1 bridge, near Camden.

South Fork of Holston River, left bank, off Route 81A, approx 1.5 mi downstream from Wilcox Dr bridge , below a small dam, and upstream from the discharge points of paper mill and sewage disposal plant. Zone approx 400 yds in length.; 4 mi SW of Kingsport

Savannah River at mi 150.2, ca 1/4 mi downstream from Four Mile Creek, just upstream from Blue Bluff.

Rio Ventuari (R. Orinoco Dr.), bedrock outcrops 83 km ENE of Macuruco, 153 km ENE of San Fernando de Atabapo.

Mae Nam Chao Phraya [river] at Phayuha Khiri.

Edge of drop-off, ca. 1000 yds out from N side of Georgetown.

Gulf of Mexico, off Yucatan.

Cold Spring Harbor.

Castine.

Wolf Creek, Coosa River basin.

Chincoteague.

Port Sudan, on the west or African coast of the Red Sea.

East Ambariobe-Nossi-Be.

Rio Pasiba (or Pasiva), lagoon near confluence with Casiquiare (Negro Dr.), ca. 90km NE S. Carlos de Rio Negro.

North Fork Holston River (Tennessee River Dr.), Long Hollow Rd, Rt. 630 at bridge, Saltville

Ways Run (forested site) ca. 20m upstream from confluence with Hodgson Run.

E side of Potomac River between 0.25 - 1 mi SE of Lower Cedar Point, 1.5-2.25 mi SE of US Hwy 301 bridge.

Kennebec River.

Green River between the mouth of Nelson Cr. and mile 85 downstream; Green River sta. 4.

St. Francis River (Mississippi River Dr.), public access site ca. 1 mi W of Syenite, 2.5 mi W of Knob Lick.

Morichal along S. Fernando de Apure-Puerto Paez Hwy.

Albuquerque Key, western Caribbean.

overflow pool along Choctawhatchee River, Westville, Hwy. 90.

Savannah River, 7.5 miles NE Shell Bluff at mile 160.7.

Surapire Rapids on Rio Caura, ca. 2 hrs upstream from Rio Caura - Rio Nichare junction.

Seiko River, trib rio Penatecaua (Jarauçu-Amazonas/Xingu Dr.), near village of Medicilândia, ca. 80 km west-southwest of Altamira on rt. 230

Susquehanna Drainage; Little Muddy Creek, tributary of Conestoga Creek, 1/4 mi E of Red Run, Brecknock Township.

rio Bacajái, shallow channel through forest and flooded sedges, ca. 5 river km upstream from confluence with rio Xingu.

Rio Amazonas, upstream of Itacoatiara.

Rocky cove at 'Wreck Hill'.

Savannah River, 400 yds below S.Carolina Rt.28 bridge, E of Augusta, Richmond Co., Georgia.

W side of island, Paradise Rocks, ca. 300 yds offshore from N side of Georgetown, Sta. 15.

Cape Fear River, 1 mi S of Tolar Landing, 9 mi SSW Fayetteville.

Black River Drainage; Cane Savannah Creek, ca.2 1/2 mi SSW of jct.of S.C.Hwy.763 & S.C.Hwy.120,downstream from bridge*

Moco-Moco River (Takutu-Branco-Negro R. Dr.), at Moco-Moco Hydro Power Station (below dam), 18.8 km SE of Lethem.