Marsh, Sherman P.

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Analytical results for stream sediment and soil samples from the Commonwealth of Puerto Rico, Isla de Culebra, and Isla de Vieques

Geochemical data from 2560 stream sediment samples collected in Puerto Rico, 421 soil samples collected on Isla de Vieques, and 35 soil samples were collected on Isla de Culebra, analyzed by semiquantitative spectrographic methods.

Digital Geologic Map of the Altiplano and Cordillera Occidental, Bolivia

The geologic map of the Altiplano/Cordillera Occidental was produced digitally from fifteen, 1:250,000 scale, field compilation maps. These paper maps were made by Servicio Geológico de Bolivia (GEOBOL) geologists over the last decade.

Fifteen 1 degree X 2 degree Digital Geologic Maps of the Altiplano and Cordillera Occidental, Bolivia

The 1 degree X 2 degree geologic maps of the Altiplano/Cordillera Occidental were produced from fifteen, 1:250,000 scale, field compilation maps: >1. Copacabana >2. La Paz >3. Charana >4. Corocoro >5. Cochabamba >6. Corque >7. Uncia >8. Salinas de Garci M