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Articles 1531 - 1560 of 1807
Full-Text Articles in Geology
Water Levels In Observation Wells In Nebraska, 1962, Philip A. Emery, Mildred M. Malhot
Water Levels In Observation Wells In Nebraska, 1962, Philip A. Emery, Mildred M. Malhot
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Bdellidae (Acarina) Of The Australian Realm, Warren T. Atyeo
The Bdellidae (Acarina) Of The Australian Realm, Warren T. Atyeo
Bulletin of the University of Nebraska State Museum (1924–2023)
Although primarily a systematic study, variations in the integumental striae and chaetotaxy of the legs are discussed. The genus Octobdellodes Atyeo, 1960 is synonymized with Bdellodes Oudemans, 1937 and the sugenus Cytobdella Mihelcic, 1958 is synonymized with Cyta von Heyden, 1826. The genus Bdellodes is divided into the subgenera Bdellodes and Hoploscirus Thor, 1937 (=Thoribdella Grandjean, 1938, new synonymy). Twenty-two species are now known to occur in New Zealand and the outlying islands. These include four known species: Bdella iconica, Bdellodes (Roploscirus) lapidaria, B. (R.) reticulata, and Cyta latirostris, and eighteen new species: Bdellodes (Bdellodes) harpax, B. (B.) oraria, …
New Species And Records Of Little-Known Species Of Melissodes From North America (Hymenoptera: Anthophoridae), Wallace E. Laberge
New Species And Records Of Little-Known Species Of Melissodes From North America (Hymenoptera: Anthophoridae), Wallace E. Laberge
Bulletin of the University of Nebraska State Museum (1924–2023)
Two new species from Mexico, Melissodes (Tachymelissodes) sonorensis and M. (Melissodes) tescorum, are described in this paper. The previously undescribed males of M. cerussata LaBerge and M. baileyi Cockerell are described. Notes concerning the key to species of the subgenus Callimelissodes are given. New records of the following poorly known species of Melissodes are included: M. opuntiella, M. sphaeralcea, M. fimbriata, M. baileyi, M. apicata, M. mitchelli, M. intorta, M. flexa, M. maesta, M. cerussata, M. expolita, M. fasciatella, M. floris, M. …
Deltoptila, A Middle American Genus Of Anthophorine Bees (Hymenoptera, Apoidea), Wallace E. Leberge, Charles D. Michener
Deltoptila, A Middle American Genus Of Anthophorine Bees (Hymenoptera, Apoidea), Wallace E. Leberge, Charles D. Michener
Bulletin of the University of Nebraska State Museum (1924–2023)
A third genus in the tribe Anthophorini in the vI/estern Hemisphere, genus Deltoptila, is described in this work. Previously described species included in the genus are as follows: D. melanopyrrha (Dours), D. elefas (Friese), D. fulva (Smith), D. bombyformis (Smith), D. montezumia (Smith), D. aurulentocaudata (Dours), D. agilis (Smith), D. costaricensis (Friese). New descriptions and records are given for D. montezumia, D. aurulentocaudata, D. agilis and D. costaricensis. Two new species are described: D. afimbriata and D. pexata.
Topographic Regions Maps, J. A. Elder, V. H. Dreeszen, E. C. Weakly
Topographic Regions Maps, J. A. Elder, V. H. Dreeszen, E. C. Weakly
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Map Of Nebraska Relation Fall 1962 Observation Well Readings To Median, E. C. Reed
Groundwater Map Of Nebraska Relation Fall 1962 Observation Well Readings To Median, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska, 1961, C.F. Keech, J.B. Hyland
Water Levels In Observation Wells In Nebraska, 1961, C.F. Keech, J.B. Hyland
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
A Middle Miocene Rhinoceros Quarry In Morrill County, Nebraska (With Notes On Hip Disease In Diceratherium), Robert M. Stecher, C. Bertrand Schultz, Lloyd G. Tanner
A Middle Miocene Rhinoceros Quarry In Morrill County, Nebraska (With Notes On Hip Disease In Diceratherium), Robert M. Stecher, C. Bertrand Schultz, Lloyd G. Tanner
Bulletin of the University of Nebraska State Museum (1924–2023)
Extensive deposits of fossil rhinoceros bones have been excavated from University of Nebraska State Museum collecting localities Mo-113, -114, -115, -116, and -118 some 8 1/2 to 9 1/2 miles north of Bridgeport, Morrill County, Nebraska. The fossils were associated with other faunal elements in the lower portion of the Marsland formation (middle Miocene) of the Hemingford group. The rhinoceros is considered to be Diceratherium niobrarensis Peterson, geologic variety. A pathologic right femur of D. niobrarensis provides evidence of hip disease in the medial Miocene rhinoceroses.
Early Records Of Some Mammals From Nebraska, J. Knox Jones Jr.
Early Records Of Some Mammals From Nebraska, J. Knox Jones Jr.
Bulletin of the University of Nebraska State Museum (1924–2023)
Ten species of Recent mammals that formerly occurred in Nebraska have been extirpated there by European man. Surprisingly few specimens of the species concerned are preserved in museum collections. Perusal of a representative segment of the historical literature pertaining to Nebraska has revealed records of occurrence of most of the extirpated species that provide a basis for estimating the former distribution of each in the State.
The Program Of Ground- Water Investigations In Nebraska, C.F. Keech
The Program Of Ground- Water Investigations In Nebraska, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Map Of Nebraska Showing Relation Of Fall 1961 Readings To Median Water Level Management, E. C. Reed
Groundwater Map Of Nebraska Showing Relation Of Fall 1961 Readings To Median Water Level Management, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Basic Data Report Lower Cedar River Drainage Basin, Nebraska, J.B. Hyland
Basic Data Report Lower Cedar River Drainage Basin, Nebraska, J.B. Hyland
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska 1960, C.F. Keech
Water Levels In Observation Wells In Nebraska 1960, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Wells In Fillmore County, Nebraska, C.F. Keech
Wells In Fillmore County, Nebraska, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Map Of Nebraska, November 1960, E. C. Reed, V. H. Dreeszen
Groundwater Map Of Nebraska, November 1960, E. C. Reed, V. H. Dreeszen
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Wells In Hamilton County, Nebraska, C.F. Keech
Wells In Hamilton County, Nebraska, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska, 1959, C. F. Keech
Water Levels In Observation Wells In Nebraska, 1959, C. F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Geological Section Of Nebraska, E. C. Reed
The Geological Section Of Nebraska, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Geology Of The Upper Middle Creek Area Huerfano County, Colorado, J. H. Copeland
Geology Of The Upper Middle Creek Area Huerfano County, Colorado, J. H. Copeland
Open Access Master's Theses (through 2010)
The Sangre de Cristo Mountains of Colorado and New Mexico are, geologically speaking, relatively unknown. The equivocal nature of our knowledge of the range was a primary reason for studying a portion of it in some detail. Most of the previous studies have been concerned with the northern part of the range in Colorado, in the general area between Salida and La Veta Pass. This work has indicated that the complicated structure which characterizes the northern part of the range becomes simpler to the south. Therefore, a second objective of the current study has been to test this hypothesis. Thirdly, …
Water Levels In Observation Wells In Nebraska, 1958, C. F. Keech
Water Levels In Observation Wells In Nebraska, 1958, C. F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Geologic And Ground-Water Reconnaissance Of The Loup River Drainage Basin Nebraska, R. T. Sniegocki, R. H. Langford
Geologic And Ground-Water Reconnaissance Of The Loup River Drainage Basin Nebraska, R. T. Sniegocki, R. H. Langford
United States Geological Survey: Publications
The Loup River and its tributaries drain an area of about 15,230 square miles in central Nebraska. The upper three-fifths of the drainage basin is in the Sand Hills region of Nebraska, and the lower two-fifths is in the loess plains and hills region. An eastward-thinning wedge of semiconsolidated and unconsolidated deposits of Tertiary and Quaternary age underlies the surficial dune sand and loess. These deposits, which are recharged by infiltrating precipitation, contain a tremendous volume of water at least 400 million acre-feet and annually discharge about 1.7 million acre-feet into streams. Although wells supply nearly all the water used …
Engineer Intelligence Study No. 191, Terrain Analysis, Alaska Slope Region, Alaska, 1959, Military Geography Branch, Usgs, Robert Bolin , Depositor
Engineer Intelligence Study No. 191, Terrain Analysis, Alaska Slope Region, Alaska, 1959, Military Geography Branch, Usgs, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
The summary on Page 5 is paraphrased as follows. This digital document is a generalized description of the Arctic Slope region -- an area covering approximately 70,000 square miles. Access to the region and the feasibility of various access routes are discussed. Location and extent of natural fuel supplies are given. Factors controlling outdoor work feasibility are summarized graphically on Page 19. A terrain analysis of each of the three major physiographic provinces of the region. Those provinces are the Arctic Coastal Plain, Arctic Foothills, and Brooks Range provinces. Geographic factors which affected cross-country movement, construction, and water supply within …
An Iron Fulgurite From Nebraska, C. M. Riley
An Iron Fulgurite From Nebraska, C. M. Riley
Bulletin of the University of Nebraska State Museum (1924–2023)
From the time of the ancients man has been impressed with the force of lightning and its effect on the rocks at the surface of the earth. It was Saussure in 1786 who first wrote a scientific account of a true fulgurite, and a wealth of literature has been written about the subject since this time. Many unusual fulgurites have been described, some of which may not truly be the result of lightning. The iron fulgurite is a strange conical object about 3 inches high composed mainly of tiny spheres and filaments of metallic iron intermixed with a small amount …
Boone County Preliminary Ground Water Study 1959 (Gm-14): Svoboda, G.R. Conservation And Survey Division , Size 8.5" X 11"., G.R. Svoboda
Boone County Preliminary Ground Water Study 1959 (Gm-14): Svoboda, G.R. Conservation And Survey Division , Size 8.5" X 11"., G.R. Svoboda
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Groundwater Relation To Median, Fall 1958
Nebraska Groundwater Relation To Median, Fall 1958
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Map Of Nebraska Showing Relation Of Fall 1959 Readings To Median Water Level Measurement, E. C. Reed
Groundwater Map Of Nebraska Showing Relation Of Fall 1959 Readings To Median Water Level Measurement, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska, 1957, C. F. Keech
Water Levels In Observation Wells In Nebraska, 1957, C. F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Oil In Nebraska
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1958
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1958
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Photograph Of Relief Model Map Of Nebraska, Conservation And Survey Division
Photograph Of Relief Model Map Of Nebraska, Conservation And Survey Division
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.