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Articles 1591 - 1620 of 1935
Full-Text Articles in Earth Sciences
Jefferson County, Fairbury Area, Conservation And Survey Division
Jefferson County, Fairbury Area, Conservation And Survey Division
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Ground Water Atlas Of Nebraska (June 1969), V. H. Dreeszen, J. A. Elder, E. C. Weakly, E. C. Reed, G. R. Svoboda
Ground Water Atlas Of Nebraska (June 1969), V. H. Dreeszen, J. A. Elder, E. C. Weakly, E. C. Reed, G. R. Svoboda
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
A Fluorescent Tracer Study At A Tidal Inlet (Rudee Inlet, Virginia), James W. Bunch
A Fluorescent Tracer Study At A Tidal Inlet (Rudee Inlet, Virginia), James W. Bunch
OES Theses and Dissertations
Patterns and approximate rates of littoral transport south of Rudee Inlet. Virginia were investigated with fluorescent tracers. Sand movement was traced under a variety of longshore current and wave conditions. Patterns of tracer dispersal reflected the importance of wave height, breaker angle, and longshore current velocity on modes of littoral transport. A direct relationship between angle of breaker incidence. generated longshore current. and direction of tracer sand movement was found. Onshore offshore paths were taken by tracer material during periods of weak longshore currents and small breaker angles while alongshore paths were followed by tracer material during strong longshore currents …
A New Rhinoceros From The Nebraska Miocene, Lloyd G. Tanner
A New Rhinoceros From The Nebraska Miocene, Lloyd G. Tanner
Bulletin of the University of Nebraska State Museum (1924–2023)
A new species of rhinoceros, Menoceras marslandensis, is here proposed. It is based upon a nearly complete skull from the upper part of the Marsland Formation, Hemingford Group (Miocene), of Box Butte County, Nebraska. The new species was probably derived from Menoceras arikarense (Barbour), collected from the Agate Springs Quarries (Arikaree Group, Harrison Formation) of Sioux County, Nebraska, with which both Diceratherium niobrarensis Peterson and D. cooki Peterson are likely synonymous. From Menoceras arikarense, the presumed ancestral stock, Menoceras marslandensis differs in possessing the following characters: (1) very long, fused but slightly cleft, nasals, with flattened, rugose areas …
Lancaster County, Nebraska Soils -- Geology Field Trip, Conservation Survey Division
Lancaster County, Nebraska Soils -- Geology Field Trip, Conservation Survey Division
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Groundwater Level (Decline & Rise), 1969
Nebraska Groundwater Level (Decline & Rise), 1969
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska's Water Supply Map Including Groundwater In Storage, Total Water Withdrawals, Precipitation, And Outflow As Of 1969
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
New Members Of The Gering Formation (Miocene) In Western Nebraska, Including A Geological Map Of Wildcat Ridge And Related Outliers, Carl F. Vondra, C. Bertrand Schultz, Thompson M. Stout
New Members Of The Gering Formation (Miocene) In Western Nebraska, Including A Geological Map Of Wildcat Ridge And Related Outliers, Carl F. Vondra, C. Bertrand Schultz, Thompson M. Stout
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Otoe County, Unadilla. Lincoln: University Of Nebraska, R. K. Pabian
Otoe County, Unadilla. Lincoln: University Of Nebraska, R. K. Pabian
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Soil Association Map, 1969, Conservation And Survey Division
Nebraska Soil Association Map, 1969, Conservation And Survey Division
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Late Middle Ordovician Graptolites From The Subsurface Of Eastern Nebraska, M. P. Carlson, W. B.N. Berry
Late Middle Ordovician Graptolites From The Subsurface Of Eastern Nebraska, M. P. Carlson, W. B.N. Berry
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1969
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1969
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Levels In Nebraska, 1969, C. F. Keech
Groundwater Levels In Nebraska, 1969, C. F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Revisions Of Two Subgenera Of Andrena: Micrandrena Ashmead And Derandrena, New Subgenus (Hymenoptera: Apoidea), David O. Ribble
Revisions Of Two Subgenera Of Andrena: Micrandrena Ashmead And Derandrena, New Subgenus (Hymenoptera: Apoidea), David O. Ribble
Bulletin of the University of Nebraska State Museum (1924–2023)
This paper is a monographic revision of the bee subgenera Micrandrena Ashmead and Derandrena, new subgenus, of the genus Andrena in North America. Both subgenera occur in the New World and Micrandrena also occurs in the Old World. Twenty-eight species are treated, of which twelve are new: Andrena (Micrandrena) annectens, ishii, labergei, lamelliterga, lepidii, micheneri, Andrena (Derandrena) arctostaphylae, californiensis, hermosa, murietae, penutiani, viridissima. Thirteen names are placed in synonymy: Andrena semotula Cockerell with candidiformis Viereck and Cockerell; subtilicornis Viereck, nitidicornis Cockerell, chlorogaster nesiotes Timberlake, chlorogaster gavilanica Timberlake, radialis Timberlake, catalinica Cockerell with chlorogaster Viereck; vegana Viereck and Cockerell with illinoiensis …
The Genera And Species Of The Feather Mite Subfamily Trouessartinae Except Trouessartia (Acarina: Proctophyllodidae), Kenneth R. Orwig
The Genera And Species Of The Feather Mite Subfamily Trouessartinae Except Trouessartia (Acarina: Proctophyllodidae), Kenneth R. Orwig
Bulletin of the University of Nebraska State Museum (1924–2023)
A systematic study of the acarine subfamily Trouessartinae (except Trouessartia) of the family Proctophyllodidae is presented. Diagnoses are given for the subfamily, five named genera and four new genera. The named genera and their type species are: Allanalges Trouessart, 1886, A. podagricus (Trouessart), 1886; Calcealges Gaud, 1952, C. cyathoplax Gaud, 1952; Hemicalcealges Gaud and Mouchet, 1957, H. margaropygus (Gaud and Mouchet), 1957; Pseudalges Radford, 1950, Proctophyllodes (Pterocolus) analgoides Trouessart, 1885; and Trouessartia Canestrini, 1899, Dermaleichus corvinus Koch, 1840. New genera and their type species are: Arthrogynalges, A. biovoidatus, new species; Bicentralges, B. orientalis, new species; Neocalcealges, N. inattditus, new species; …
Two Feather Mite Genera (Analgoidea, Proctophyllodidae) From Birds Of The Families Oxyruncidae And Pipridae (Passeriformes, Tyranni), Warren T. Atyeo, J. Gaud
Two Feather Mite Genera (Analgoidea, Proctophyllodidae) From Birds Of The Families Oxyruncidae And Pipridae (Passeriformes, Tyranni), Warren T. Atyeo, J. Gaud
Bulletin of the University of Nebraska State Museum (1924–2023)
The genus Hemipterodectes Berla is redefined and the type species, H. squalocauda is figured. A new genus, Diproctophyllodes (type species, Proctophyllodes (Alloptes) dielytra Trouessert, 1885) is described; D. exquisita (Berla), 1959 is synomized with D. dielytra; and D. oxyrunci, new species, is described.
Biometrical Study Of Morphology And Development Of The Pennsylvanian Trilobite Ameura Sangamonensis (Meek And Worthen), Roger K. Pabian, J. A. Fagerstrom
Biometrical Study Of Morphology And Development Of The Pennsylvanian Trilobite Ameura Sangamonensis (Meek And Worthen), Roger K. Pabian, J. A. Fagerstrom
Bulletin of the University of Nebraska State Museum (1924–2023)
Biometrical study of morphology and development in a sample of 100 cranidia, 94 pygidia, 26 free cheeks, and 9 complete specimens of the trilobite Ameura sangamonensis (Meek and Worthen) from the Bonner Springs Shale (Pennsylvanian; Missouri Series) in eastern Nebraska indicates that the dominant growth pattern was isometric. Evidence supporting this conclusion consists of rectilinear size relations among eight pairs of cranidial dimensions, three pairs of pygidial dimensions, and three pairs of dimensions of the free cheeks. Qualitative changes in pygidial morphology during development include a progressive decrease in prominence of the border, increasing width of the posterior border relative …
New Genera Related To The Genus Brephosceles Hull, 1934 (Acarina: Proctophyllodidae), Paul C. Peterson, Warren T. Atyeo
New Genera Related To The Genus Brephosceles Hull, 1934 (Acarina: Proctophyllodidae), Paul C. Peterson, Warren T. Atyeo
Bulletin of the University of Nebraska State Museum (1924–2023)
Five new genera are described; these and the included species are (type species listed first): Dichobrephosceles with Dermaleichus actitidis Canestrini, 1878 (=Brephosceles dolichocaulus Gaud and Mouchet, 1957, new synonymy), D. eroliae, new species (ex: Erolia alpina, England); Homeobrephosceles with Proctophyllodes (A lloptes) discosurus Trouessart, 1886, Brephosceles orthothrix Gaud and Mouchet, 1957; Onychalloptes with Proctophyllodes (Alloptes) microphaeton Trouessart, 1885, Alloptes minutus Trouessart, 1899; Aramolichus with Aramolichus foliatus, new species (ex: Aramus guarauna, Bolivia); Psilobrephosceles with Dermalichus ortygometrae Canestrini, 1878. Species included in the genus Brephosceles (s.s.) are listed; species transferred to Brephosceles are: Proctophyllodes (Pterocolus) fiagellifer discursus Trouessart, 1885; Pterocolus lambda …
Water Levels In Observation Wells In Nebraska, 1967, C.F. Keech
Water Levels In Observation Wells In Nebraska, 1967, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Data Polk County, Nebraska, F.A. Smith, E.C. Weakly
Groundwater Data Polk County, Nebraska, F.A. Smith, E.C. Weakly
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
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 …
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, …