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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 83895
Surface water supply of the United States, 1936, Part IX, Colorado River basin
No abstract available.
Authors
Surface water supply of the United States, 1936, Part VII, Lower Mississippi River basin
No abstract available.
Authors
Surface water supply of the United States, 1936, Part VIII, Western Gulf of Mexico basins
No abstract available.
Authors
The correlation of the Upper Cambrian sections of Missouri and Texas with the section in the upper Mississippi Valley
No abstract available.
Authors
Josiah Bridge
The floods of March 1936, part 1, New England rivers
During the period March 9-22, 1936, there occurred in close succession over the northeastern United States, from the James and upper Ohio River Basins in Virginia and Pennsylvania to the river basins of Maine, two extraordinarily heavy storms, in which the precipitation was almost entirely in the form of rain. The depths of rainfall mark this period as one of the greatest concentrations of precipi
Authors
Nathan Clifford Grover
The floods of March 1936, part 2, Hudson River to Susquehanna River region
During the period March 9-22, 1936, there occurred in close succession over the northeastern United States, from the James and upper Ohio River Basins in Virginia and Pennsylvania to the river basins of Maine, two extraordinarily heavy storms, in which the precipitation was almost entirely in the form of rain. The depths of rainfall mark this period as one of the greatest concentrations of precipi
Authors
Nathan C. Grover
The floods of March 1936, Part 3, Potomac, James, and upper Ohio Rivers
During the period March 9-22, 1936, there occurred in close succession over the northeastern United States, from the James and upper Ohio River Basins in Virginia and Pennsylvania to the river basins of Maine, two extraordinarily heavy storms, in which the precipitation was almost entirely in the form of rain. The depths of rainfall mark this period as one of the greatest concentrations of precipi
Authors
Nathan C. Grover, Stephen Lichtblau
The flora of the New Albany shale; Part 2, The Calamopityeae and their relationships
Material referable to Calamopitys americana, Calamopitys foerstei, Stenomyelon muratum, Kalymma lirata, Kalymma resinosa, and Kalymma auriculata, from the upper portion of the New Albany shale in central Kentucky, is described. All these species are based on the internal structure of stems and petioles. The suggestion is made that the genus Stenomyelon should be included in the family Calamopityea
Authors
Charles B. Read
The fluoride content of North Dakota ground waters as related to the occurrence and distribution of mottled enamel
No abstract available.
Authors
G. A. Abbott
The molluscan fauna of the Alum Bluff group of Florida, Part VI, Pteropoda, Opisthobranchia, and Ctenobranchia
No abstract available.
Authors
Julia Gardner
The stratigraphy of the Upper Cretaceous rocks north of the Arkansas River in eastern Colorado
No abstract available.
Authors
C. H. Dane, W. G. Pierce, J. B. Reeside