Earth Sciences Commons^™

Elephant Teeth From The Atlantic Continental Shelf, Frank C. Whitmore Jr., K. O. Emery, H. B. S. Cooke, Donald J. P. Swift

United States Geological Survey: Staff Publications

Teeth of mastodons and mammoths have been recovered by fishermen from at least 40 sites on the continental shelf as deep as 120 meters. Also present are submerged shorelines, peat deposits, lagoonal shells, and relict sands. Evidently elephants and other large mammals ranged this region during the glacial stage of low sea level of the last 25,000 years.

Paleotectonic Investigations Of The Permian System In The United States, Edwin D. Mckee, Stephen S. Oriel, Henry L. Berryhill, Eleanor J. Crosby, Donald A. Myers, George H. Dixon, Marjorie E. Maclachlan, Melville R. Mudge, Edwin K. Maughan, Richard P. Sheldon, Earl R. Cressman, Thomas M. Cheney, Walter E. Hallgarth, Keith B. Ketner

United States Geological Survey: Publications

(A) Allegheny region, by Henry L. Berryhill, Jr

(B) Gulf Coast region, by Eleanor J. Crosby

(C) West Texas Permian basin region, by Steven S. Oriel, Donald A. Myers, and Eleanor J. Crosby

(D) Northeastern New Mexico and Texas-Oklahoma Panhandles, by George H. Dixon

(E) Oklahoma, by Marjorie E. MacLachlan

(F) Central Midcontinent region, by Melville R. Mudge

(G) Eastern Wyoming, eastern Montana, and the Dakotas, by Edwin K. Maughan

(H) Middle Rocky Mountains and northeastern Great Basin, by Richard P. Sheldon, Earl R. Cressman, Thomas M. Cheney, and Vincent E. McKelvey

(I) Western Colorado, southern Utah, and northwestern New …

Roughness Characteristics Of Natural Channels, Harry H. Barnes Jr.

United States Geological Survey: Publications

Color photographs and descriptive data are presented for 50 stream channels for which roughness coefficients have been determined. All hydraulic computations involving flow in open channels require an evaluation of the roughness characteristics of the channel. In the absence of a satisfactory quantitative procedure this evaluation remains chiefly an art. The ability to evaluate roughness coefficients must be developed through experience. One means of gaining this experience is by examining and becoming acquainted with the appearance of some typical channels whose roughness coefficients are known. The photographs and data contained in this report represent a wide range of channel conditions. …

A Revision Of The Bees Of The Genus Andrena Of The Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae), Wallace E. Laberge

Bulletin of the University of Nebraska State Museum (1924–2023)

This paper is the first part of a monograph of the bee genus Andrena in the western hemisphere and treats the subgenus Callandrena. Available data regarding phylogeny, distribution, biology, and flower preferences are presented together with keys to separate the species, diagnoses and descriptions of the species and discussions of geographic variation when applicable. Seventy-nine species and one subspecies are recognized. Sixteen names are relegated to synonymy, one to homonymy and eight are removed from the subgenus Callandrena. The thirty-nine species new to science are: aerifera, aeripes, afimbriata, ardis, auripes, balsamorhizae, beameri, bilimeki, bullata, calvata, dreisbachorum, fulminea, fulminoides, …

A New Species Of Rhinoceros, Aphelops Kimballensis, From The Latest Pliocene Of Nebraska, Lloyd G. Tanner

Bulletin of the University of Nebraska State Museum (1924–2023)

An uncrushed skull and associated skeletal elements of a very large rhinoceros are the basis for the description of a new species of Aphelops from Frontier County, Nebraska. The major differences are: the skull is much larger in most dimensions than other Aphelops; it has an extremely elevated occipital region in comparison to Aphelops mutilus; the narial notch is retracted to a point perpendicular to the center of molar one; and the teeth are more hypsodont than any other species of this genus. The sediments which yielded the skull and skeletal parts are considered to be Kimballian in …

The Monotypic North American Subgenus Larandrena Of Andrena (Hymenoptera: Apoidea), D. W. Ribble

Bulletin of the University of Nebraska State Museum (1924–2023)

Larandrena contains a single species, A. miserabilis Cresson. This small, common Andrena is found throughout most of the United States and southern Canada in the spring. The subgeneric position, nomenclature, redescription. variation, notes on the biology, parasites, range, seasonal activity and plant host records are included. A. rniserabilis is thought to be an important pollinator of fruit trees.

Citellus Kimballensis, A New Late Pliocene Ground Squirrel, Douglas C. Kent

Bulletin of the University of Nebraska State Museum (1924–2023)

A new fossil sciurid, Citellus kimballensis, is described. This new species was found in the Kimball Formation, uppermost Ogallala (very late Pliocene) at the University of Nebraska State Museum Collecting Locality Cn-1O1, northeast of Sidney, Cheyenne County, Nebraska. Characters of the dentition and skull of C. kimballensis are compared with those of other species of the genus, and with those of Cynomys.

The Brule-Gering (Oligocene-Miocene) Contact In The Wildcat Ridge Area Of Western Nebraska, C. Bertrand Schultz, Charles H. Falkenbach, Carl F. Vondra

Bulletin of the University of Nebraska State Museum (1924–2023)

The contact between the Brule Formation (Oligocene) and the Gering Formation (Miocene) can be readily distinguished in the Wildcat Ridge area, as elsewhere in western Nebraska. At the critical fossiliferous exposures at Castle Rock in Scotts Bluff County, the contact on the south face between the two formations is defined as 129 feet above the base of the "Upper Ash" bed, which corresponds to the upper portion of Darton's (1899, PI. C, Fig. D, following p. 754) "sandy phase" in the upper part of the Brule. Certain key beds in the Gering Formation can be traced laterally from a channel …

Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Devonian Of The North-Central Region, United States, C. Collinson, Marv Carlson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Nebraska Groundwater Level (Decline & Rise), 1967

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Panthera Atrox (Mammalia: Felidae) From Central Alaska, Frank C. Whitmore Jr., Helen L. Foster

United States Geological Survey: Staff Publications

A lower jaw of the large Pleistocene cat Panthera atrox (Leidy) was found on an alluvial flat near the mouth of Lost Chicken Creek, about 180 miles northeast of Fairbanks, Alaska. It was probably washed out of carbonaceous silt deposits which, in the adjacent area, have also yielded bones of Equus, Bison, Rangifer, Cervus, and Elephantidae. The Panthera jaw falls within the size range of the series from Rancho La Brea, California, and differs from Rancho La Brea specimens only in a few characteristics. P. atrox appears to have been significantly larger than extinct or …

Twelve Maps Summarizing The Geologic Framework Of Southeastern Nebraska, R. R. Burchett, M. P. Carlson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Availability And Use Of Water In Nebraska, F. Butler Shaffer

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Evidence Of Multiple Glaciation In The Glacial - Periglacial Area Of Eastern Nebraska, E. C. Reed, V. H. Dreeszen, J. V. Drew, V. L. Souders, J. A. Elder, J. D. Boellstorff

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Water Levels In Observation Wells In Nebraska, 1965, Philip A. Emery, Mildred M. Malhoit

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1966

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Facts About Oil In Nebraska

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Relationships Oct-Nov 1965 Observation Well Measurements To Median Observed Ground Water Levels, E. C. Reed

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Water Levels In Observation Wells In Nebraska, 1964, Philip A. Emery, Mildred M. Malhoit

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1965

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Miocene Mammals And Central American Seaways, Frank C. Whitmore Jr., Robert H. Stewart

United States Geological Survey: Staff Publications

The fossil mammal faunas of North and South America indicate that the two continents were separated from Paleocene or earlier time until the late Pliocene. Unfortunately our almost complete ignorance of the Tertiary land mammals of Central America, the geology of this large area, makes reconstruction of the Tertiary zoogeography of the region between the continents an exercise involving considerable speculation.

Stratigraphy And Structure Of The Goajira Peninsula, Northwestern Venezuela And Northeastern Colombia, John F. Rollins

University Studies (University of Nebraska) (1888–1984)

The Goajira Peninsula forms the northernmost extension of continental South America (see Fig. 1). Its lobate outer portion, the area of this geologic study, is a mountainous region about 75 kilometers wide at its widest part and juts 150 kilometers northeastward into the Caribbean Sea. Although only about 110 kilometers north of the city of Maracaibo, Venezuela, the Peninsula is isolated and little known. Only a narrow coastal strip lies in Venezuela; the remainder is in Colombia; but the Peninsula is largely a desert wasteland not extensively entered by people other than its own sparse Indian population. Its remoteness has …

Correlation Of Formations Drilled In Test Holes For Interstate 480 Bridge Between Omaha, Nebraska, And Council Bluffs, Iowa, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Revision Of The Classification Of The Pleistocene Deposits Of Nebraska, E. C. Reed, V. H. Dreeszen

Conservation and Survey Division: Faculty and Staff Publications

The first major contribution of the Conservation and Survey Division to Pleistocene stratigraphy was that of A. L. Lugn (1935) who established a classification of the periglacial deposits of the state and related these deposits to the glacial stages. G. E. Condra and E. C. Reed (1950) used information aquired during the 1935-1950 period in making important revisions to Lugn's classifications. This report was a further revision based on studies made from 1950 to publication date (1965).

International Association For Quaternary Research Viith Congress-Guidebook For Field Conference D, Central Great Plains, Bertrand C. Schultz, H.T.U. Smith

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Nebraska's Groundwater, C. First, J. Kufel, M. Seidel

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.