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Techniques for assessing water resource potentials in the developing countries: with emphasis on streamflow, erosion and sediment transport, water movement in unsaturated soils, ground water, and remote sensing in hydrologic applications
George C. Taylor Jr.
1971, Open-File Report 72-375
Hydrologic instrumentation and methodology for assessing water-resource potentials have originated largely in the developed countries of the temperature zone. The developing countries lie largely in the tropic zone, which contains the full gamut of the earth's climatic environments, including most of those of the temperate zone. For this reason, most...
Resistivity sections, upper Arkansas River basin, Colorado
Adel A. R. Zohdy, Lloyd A. Hershey, Philip A. Emery, William D. Stanley
1971, Open-File Report 71-337
A reconnaissance investigation of ground-water resources in the upper Arkansas River basin from Pueblo to Leadville is being made by the U.S. Geological Survey in cooperation with the Southeastern Colorado Water Conservancy District, and the Colorado Division of Water Resources, Colorado State Engineer. As part of the investigation, surface geophysical...
Geologic map of Late Cenozoic deposits, Santa Clara County, California
E. J. Helley, E. E. Brabb
1971, Open-File Report 71-150
This map is the first of several in the San Francisco Bay region showing the distribution and differentiation of the late Cenozoic alluvial, estuarine, and volcanic deposits. The sedimentary deposits of gravel, sand, silt, and clay were separated into geologic map units on the basis of their post-depositional soil development,...
Geology of the insular shelf south of St. Thomas and St. John, U.S. Virgin Islands
L. E. Garrison, Charles Ward Holmes, James V. Trumbull
1971, Open-File Report 71-117
A reconnaissance study has been made of the geology of the insular shelf south of St. Thomas and St. John, Virgin Islands. High-resolution seismic-reflection profiling reveals that a buried northeast-southwest striking bedrock ridge controls the shallow structure of the eastern portion of the shelf. This ridge is thought to be...