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Articles 1921 - 1950 of 2252
Full-Text Articles in Geomorphology
Nebraska Groundwater Level (Decline & Rise), 1968
Nebraska Groundwater Level (Decline & Rise), 1968
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Description Of Nebraska's Common Rocks, Raymond Burchett
Description Of Nebraska's Common Rocks, Raymond Burchett
Conservation and Survey Division: Faculty and Staff Publications
This one page information sheet lists names of common rocks found in Nebraska. It also includes a brief description and locations where these common rocks may be found.
Directory Of Nebraska Quarries, Pits And Mines (1968), R. R. Burchett
Directory Of Nebraska Quarries, Pits And Mines (1968), R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Acres Irrigated In Nebraska- Past And Present
Acres Irrigated In Nebraska- Past And Present
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Nitrate Hazard In Well Water: With Special Reference To Holt County, Nebraska., Richard A. Engberg
The Nitrate Hazard In Well Water: With Special Reference To Holt County, Nebraska., Richard A. Engberg
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Stratigraphic Cross Section Of Paleozoic Rocks Of Nebraska, Russell Smith, Raymond Burchett
Stratigraphic Cross Section Of Paleozoic Rocks Of Nebraska, Russell Smith, Raymond Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska, 1966, C.F. Keech
Water Levels In Observation Wells In Nebraska, 1966, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Stratigraphic Chart Of The Waubansee Group In Nebraska, R. R. Burchett, E. C. Reed
Stratigraphic Chart Of The Waubansee Group In Nebraska, R. R. Burchett, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Precambrian Well Data In Nebraska, Including Rock Type And Surface Configuration, Marvin P. Carlson
Precambrian Well Data In Nebraska, Including Rock Type And Surface Configuration, Marvin P. Carlson
Conservation and Survey Division: Faculty and Staff Publications
This bulletin presents, in tabular form, information relating to the Precambrian surface and includes a configuration map of this surface in Nebraska. The data from all of the 1460 deep tests reaching the Precambrian as of January 1, 1966 are listed. It is anticipated that further studies utilizing this data will be made due to the important influence of the Precambrian surface on later sedimentation and structure and the possibility of minerals of economic importance being present in Precambrian rocks. Specific information for each well and samples, except as noted in the tabulation, are on file and available for study …
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
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.
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
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
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
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
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
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
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
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
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
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
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.
Geomorphic Analogs And Climax Morphogenesis, H. F. Garner
Geomorphic Analogs And Climax Morphogenesis, H. F. Garner
Journal of the Arkansas Academy of Science
No abstract provided.
Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed
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.
Twelve Maps Summarizing The Geologic Framework Of Southeastern Nebraska, R. R. Burchett, M. P. Carlson
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
Availability And Use Of Water In Nebraska, F. Butler Shaffer
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Surficial Geology Of The Las Vegas Quadrangle, Nevada, Charles Edgar Price Jr
Surficial Geology Of The Las Vegas Quadrangle, Nevada, Charles Edgar Price Jr
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Las Vegas 15-minute quadrangle, located in the south part of the state of Nevada, includes about 240 square miles in and around the city of Las Vegas; it is in the basin and range province. The quadrangle includes a broad valley floor that was once a lake bottom, a bordering area of badlands and rolling hills developed in Tertiary and Quaternary deposits, an outer marginal area of alluvial fans, and the surrounding mountains.
The mountains constitute about three per cent of the total land surface and are composed of rock ranging in are from Precambrian to Tertiary. The remainder …
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
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
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
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.