Actinocyclus (Bacillariophyta) Species from Lacustrine Miocene Deposits of the Western United States (1995) by Bradbury, J. Platt; Krebs, William N.

published 1995
In collection: United States Geological Survey: Professional paper
In collection: The Diatom Genus Actinocyclus in the Western United States

Active tectonics of the Devils Mountain Fault and related structures, northern Puget Lowland and eastern Strait of Juan de Fuca region, Pacific Northwest (2001) by Johnson, Samuel Y.

published 2001
In collection: United States Geological Survey: Professional paper

Aden Protectorate (1967) by Greenwood, J. E. G.; Bleackley, D.

published 1967
In collection: United States Geological Survey: Professional paper
In collection: Geology of the Arabian peninsula

Aerial photographs in geologic interpretation and mapping: the use aerial photographs to obtain qualitative and quantitative geologic information, and instrument procedures employe... (1960) by Ray, Richard G.

published 1960
In collection: United States Geological Survey: Professional paper

Aeromagnetic, Bouguer gravity, and generalized geologic studies of the Great Falls-Mission Range area, northwestern Montana: interpretation of aeromagnetic and gravity anomalies in... (1972) by Kleinkopf, Merlin Dean; Mudge, Melville R.

published 1972
In collection: United States Geological Survey: Professional paper
In collection: Geophysical Field Investigations

Aeroradioactivity maps in heavy-mineral exploration, Charleston, South Carolina, area: when used with other data to differentiate anomalies, aeroradioactivity maps are useful tools... (1982) by Force, Eric R.

published 1982
In collection: United States Geological Survey: Professional paper

After a century: revised Paleogene coal stratigraphy, correlation, and deposition, Powder River Basin, Wyoming and Montana (2010) by Flores, Romeo M.

published 2010
In collection: United States Geological Survey: Professional paper

Age and correlation of California Paleogene benthic foraminiferal stages (1980) by Poore, Richard Z.

published 1980
In collection: United States Geological Survey: Professional paper

Age and structural significance of ophiolite and adjoining rocks in the upper Chulitna district, south-central Alaska (1980) by Jones, David Lawrence

published 1980
In collection: United States Geological Survey: Professional paper

Age and tectonic significance of volcanic rocks in the northern Los Angeles Basin, California (2002) by McCulloh, Thane H.

published 2002
In collection: United States Geological Survey: Professional paper

Age, stratigraphy, and correlation of the late Neogene Purisima Formation, central California coast ranges (2007) by Powell, Charles L.

published 2007
In collection: United States Geological Survey: Professional paper

Aggradation and degradation of alluvial sand deposits, 1965 to 1986, Colorado River, Grand Canyon National Park, Arizona: prepared in cooperation with the U.S. Bureau of Reclamatio... (1990) by Schmidt, John C.; Graf, Julia B.

published 1990
In collection: United States Geological Survey: Professional paper

Airborne chemical elements in Spanish moss: a study of local and regional variation in airborne materials as indicated by chemical analysis of an epiphyte (1973) by Shacklette, Hansford T.; Connor, Jon J.

published 1973
In collection: United States Geological Survey: Professional paper
In collection: Statistical studies in field geochemistry

Airborne measurements of terrestrial radioactivity as an aid to geologic mapping (1968) by Pitkin, James A.

published 1968
In collection: United States Geological Survey: Professional paper

Alkalic rocks and resources of thorium and associated elements in the Powderhorn district, Gunnison County, Colorado: an evaluation of thorium resources, their distribution, and ge... (1981) by Olson, J. C.; Hedlund, D. C.

published 1981
In collection: United States Geological Survey: Professional paper
In collection: Geology and Resources of Thorium in the United States

Alkaline rock complexes in the Wet Mountains area, Custer and Fremont Counties, Colorado: geology and petrology of rocks of the McClure Mountain Complex, Gem Park Complex, and comp... (1984) by Armbrustmacher, Theodore J.

published 1984
In collection: United States Geological Survey: Professional paper

Allostratigraphy of the U.S. Middle Atlantic Continental Margin: Characteristics, Distribution, and Depositional History of Principal Unconformity-Bounded Upper Cretaceous and Ceno... (1993) by Poag, C. Wylie; Ward, Lauck W.

published 1993
In collection: United States Geological Survey: Professional paper

Alluvial ilmenite placer deposits, Central Virginia (1976) by Minard, James P.; Force, Eric R.; Hayes, G. W.

published 1976
In collection: United States Geological Survey: Professional paper

Alteration and Geochemistry of Tertiary Volcanic Rocks in Parts of the Virginia City Quadrangle, Nevada (1976) by Whitebread, Donald H.

published 1976
In collection: United States Geological Survey: Professional paper

Ammonites from the Buchia zones in northwestern California and southwestern Oregon (1970) by Imlay, Ralph W.; Jones, David Lawrence

published 1970
In collection: United States Geological Survey: Professional paper