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Port Isabel Channel at South Garcia Street

South Padre Island, 25 yards east of post office

P. N. Tortuguero, stream near office, in leaf litter in shallow water

P. N. Tortuguero, small creek on barrier island at N edge

Parque Nacional Corcovado, Site 1

P. N. Corcovado, Quebrada Camaronal above Pavo trail

Rio Guanara, just below dam at Guanaro

San Pedro Creek in Houston County

Cueva del Ostoc

Sumidero de Cotzalostoc

Parque Nacional Corcovado, Rio Sirena Estuary

P. N. Corcovado, laguna near mouth of Rio Sirena

White River at SH 261

Small polluted stream behind Colonia Agricola, Guanare

P. N. Corcovado, Quebrada Camaronal, near trail to Pavo

Cenote de Libre Union, 20-42-30 N, 88-49 W

Rio Tucupido below dam under construction

Chilamate, tributary of Rio Tirimbina ca 100m above its confluence with Rio Sarapiqui (Z)

Las Majaguas reservoir-- island near San Rafael de Onoto.

Cano Maporal.

Creek 18.9 km S of Bruzual.

Llano River 19 km west of Llano off SH 152

Nueces River at Witt Road

19.6 mi. SE Monroe Station on Hwy 94 Canal

Rio Portuguesa at rt. 5 bridge.

Roadside ditch on hwy 9 between Puerto Piritu and Barcelona ca. 6 km W of Tigre-Maturin turnoff.

Rio Apure at Bruzual.

State Hwy 92, NE corner Goodland bridge

Rio Guanare, below dam.

Taxco, Resumidero de La Joya San Gregorio.

Cano Maraca at highway between Guanare and Guanarito.

Prestamo at southwest corner of Modulo de UNELLEZ

P. N. Tortuguero, Cano Ague Fria Viejo, tributary of Rio Tortuguero ca. 0.6 km from village, 10-30-00 N, 83-30-00 W

Cano El Mamon, 20 km NE of Guanare and 12 km SE of rt. 5 at La Quebrada.

Rio Portuguesa ca. 6 km S of La Quebrada.

Rio Guanare off road to Las Moritas, at La Curva, at Lewis Strebbings place

P. N. Tortuguero, Forest Pool near Cano Agua Fria Viejo, tributary of Rio Tortuguero, 10-30-00 N,83-30-00 W

Rocky S shoreline of Las Majaguas reservoir.

P.N. Tortuguero, Small creek entering Rio Agua Fria ca. 700 m North of Park Station

Ransom Island, South Shore

Cano Maraca at Urriolas ranch-35 km S.E Guanare,08-52-30 N, 69-27-40 W

Small tributary Cano oflower Cano California ca. 1.0 km west of Jalova Park Station, P.N. Tortuguero

P.N. Corcovado, Rio Pavo upstream from Los Patos Trail

P.N. Corcovado, Quebrada Camaronal between Sirena Station and mouth

Dock at Jalova Park Station, West Bank Laguna Jalova, P.N. Tortuguero

Cano Negro ca. 100 m North Jalova Park Station, P.N. Tortuguero

Rio Sarapiqui at Chilamate, below foot bridge

Rio Sarapiqui at Chilamate-Pool behind Bar La Selva

Leaf litter in small tributary of Laguna Corcovado, southeast drainage, P.N. Corcovado

P.N. Corcovado, Rio Claro ca. 750 m above estuary