Ash-flow tuffs of the Galiuro Volcanics in the northern Galiuro Mountains, Pinal County, Arizona

Storm and flood of July 31-August 1, 1976, in the Big Thompson River and Cache la Poudre River basins, Larimer and Weld Counties, Colorado

Geochemical-exploration in the Coeur d'Alene District, Idaho and Montana

Petrology, sedimentology, and diagenesis of hemipelagic limestone and tuffaceous turbidities in the Aksitero Formation, central Luzon, Philippines

Tectonic studies in the Brazilian shield

Shorter contributions to geophysics, 1979

A systematic revision of the ostracode species described by Ulrich and Bassler and by Malkin from the Chesapeake Group in Maryland and Virginia

Recent vegetation changes along the Colorado River between Glen Canyon Dam and Lake Mead, Arizona

Geochemical variability of natural soils and reclaimed minespoil soils in the San Juan Basin, New Mexico

Comprehensive monitoring of meteorology, hydraulics, and thermal regime of the San Diego Aqueduct, California

Geological Survey research 1979

Surface geology of the Jeptha Knob cryptoexplosion structure, Shelby County, Kentucky

Stratigraphy and structure of the Strawberry Mine roof pendant, central Sierra Nevada, California

Geology of the eastern part of the Marathon Basin, Texas

The distributions and relationships of grade and tonnage among some nickel deposits