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Inner side of Bird Key Reef

Port Maria; 18.3724 -76.887396

Barbados

Bay "Grasmere" Pembroke

Culebra, from Punta Melones to Bahia Sardinas, Dewey; 18.307141 -65.285767

Miladummadulu Atoll Lagoon

British West Indies: West Caicos

River Ancobra estuary, near Axim, Ghana.

Catfish Hole Point. Savannah River at Mile 135.8 (formerly Mile 150) on a bend in the river between Catfish Hole Point and Devil's Elbow. Dikes (#55) present.

S of Interstate Hwy 80, W of the bridge across McMichael Creek, E of Stroudsburg, PA.

Port Phillippe

along the road to the power plant opposite the American Falls, Niagara Falls.

Gila Hot Springs, 41 miles N of Silver City, NM.

Ca. 6 mi. NE of Girard. Savannah River, Station 3, at mile 143.9 (formerly Mile 157.5). Small stream on right bank near Brigham's Landing.

Key West; 24.542928 -81.809179

Edgartown; 41.38889 -70.511143

Potomac River. 0.3 mi downstream from Lower Cedar Point at Morgantown, 0.25 mi East of Cedar Point on the left bank.

Savannah River at Mile 151.2 near Vogtle Plant, approx. 0.75 miles downstream (east) from Hancock Landing across from Branwell Co., SC.

Pass-a-Grille Beach, Pass-a-Grille

Walsingham, St. George Bay

Guanica Harbor; 17.94991 -66.90093

Isla Mona: Playa Uvero

Ponce: Eastern Shore, Caja de Muertos

Right bank of San Joaquin River, Station 3, between downstream side of Antioch bridge including upper part of West Island

Left bank of San Joaquin River, Station 3, between downstream side of Antioch bridge including upper part of West Island and Willows on West Island

Anguilla Isles, Salt Key Bank., north end

Bird Key Reef, Station 1

Bay at Grasmere, Pembroke

Km. 5 H. 1, road to Cana Gorda

Parguera Cove.

Aguirre: S.W. tip, Islas de Barca, Jobos.

Cabo Rojo: Punta Ostiones, between Joyuda and Puerto Real.

Guardarraya Penon de Ponce.

Aguirre: Pozuelo

Aguirre: West of Boca de Infierno, First Island Cay de la Barca.

Aguirre: East of Boca de Infierno, Bahia de Jobos

Yabucoa, Station 1; 18.05052 -65.879329; 18.05052 -65.879329

Southwest tip of Guadalupe Island

Aguirre: Cayo de la Barca

Carmel Bay shoreline

In the lower litoral and upper sublitoral zones, Carmel Bay

St. George sound east of the mouth of New river, Carrabelle

Jacmel

South shore of Back bay between Keesler Field and D' Iberville bridge, Biloxi

Guanica, Las Pardas; 17.960643 -66.901443; 17.960643 -66.901443

South shore of Ochlockonee bay at the bridge on state highway no. 30, south of Panacea

Fajardo: Bahia de Yeguas

South shore of Back bay between Keesler Field and D'Iberville bridge, Biloxi

Shore of Mississippi sound between Bay St.Louis and Waveland

Yabucoa, El Negro