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Articles 1681 - 1710 of 1905

Full-Text Articles in Geology

Wells In Hamilton County, Nebraska, C.F. Keech Oct 1960

Wells In Hamilton County, Nebraska, C.F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Geology Of The East Potrillo Hills, Dona Ana County, New Mexico, William E. Bowers May 1960

Geology Of The East Potrillo Hills, Dona Ana County, New Mexico, William E. Bowers

Earth and Planetary Sciences ETDs

The East Potrillo Hills are essentially a low north-westerly trending ridge that lies just north of the Mexican border in southern Dona Ana County, New Mexico. The range is approximately 7 miles long and up to 1 1/2 miles wide. It is cut by transverse canyons that carry water to the bolson only during occasionally heavy rains. The crest of the ranges lies 700 to 900 feet above the extensive La Mesa plain which stretches for more than 20 miles to the north, east, and south. In the northern part of the range, the crest reaches a maximum elevation of …

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Qualitative Reconnaissance Methods Of Geochemical Exploration, John Francis Brady Jr. May 1960

Qualitative Reconnaissance Methods Of Geochemical Exploration, John Francis Brady Jr.

Earth and Planetary Sciences ETDs

No abstract provided.

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Upper Cretaceous Farmington Sandstone Of Northeastern San Juan County, New Mexico, Ottis L. Dilworth May 1960

Upper Cretaceous Farmington Sandstone Of Northeastern San Juan County, New Mexico, Ottis L. Dilworth

Earth and Planetary Sciences ETDs

The Upper Cretaceous Farmington sandstone is found only in northwestern New Mexico and Southwestern Colorado. The Farmington sandstone is the middle member of the Kirtland shale, there being a Kirtland shale member above and below it. This sandstone unit appears as an extensive wedge in the Kirtland shale and thins northward, southward, and southeastward from Townships 30-31 North, Ranges 9-13 West. The thickness of the Farmington sandstone ranges from 27 to 818 feet within the area of this thesis. The unit is correlative with parts of the Vermejo formation of the Raton basin and the Fox Hills formation of the …

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Geology Of The San Pedro Mountains Santa Fe County, New Mexico, William W. Atkinson Jr. May 1960

Geology Of The San Pedro Mountains Santa Fe County, New Mexico, William W. Atkinson Jr.

Earth and Planetary Sciences ETDs

No abstract provided.

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Water Resources Of The Western Slopes Of The Sandia Mountains, Bernalillo And Sandoval Counties, New Mexico, Eugene R. Caprio May 1960

Water Resources Of The Western Slopes Of The Sandia Mountains, Bernalillo And Sandoval Counties, New Mexico, Eugene R. Caprio

Earth and Planetary Sciences ETDs

The purpose of the study on which this thesis is based is to determine the source, occurrence, characteristics, and possible amounts of surface and ground water available along the western slope of the Sandia Mountains, New Mexico.

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Controls On Paradox Salt Deposition In The Area Of Comb Monocline San Juan County, Utah, Jim S. Hinds May 1960

Controls On Paradox Salt Deposition In The Area Of Comb Monocline San Juan County, Utah, Jim S. Hinds

Earth and Planetary Sciences ETDs

This study was undertaken for the purpose of delineating the configuration of the Paradox salt wedge edge in relation to the Comb monocline structure. It was designed to illustrate whether or not, and to what extent, the Comb structure was a submarine barrier controlling deposition of sediments on the western shelf of the Paradox seaway during middle Paradox time.

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Water Levels In Observation Wells In Nebraska, 1959, C. F. Keech May 1960

Water Levels In Observation Wells In Nebraska, 1959, C. F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Spores Of The Pennsylvanian Toronto Limestone In Kansas And Oklahoma, James F. Carter Jan 1960

Spores Of The Pennsylvanian Toronto Limestone In Kansas And Oklahoma, James F. Carter

Earth and Planetary Sciences ETDs

The Toronto cyclothem is the lower limestone member of the Oread megacyclothem of the Shawnee group, Virgilian series, Pennsylvanian system and crops of in a linear belt extending north-south for a distance of 300 miles across Oklahoma, Kansas, and parts of Missouri and Nebraska.

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Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation Jan 1960

Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation

Publications (WR)

Reservoirs are becoming an increasingly prominent feature of the American landscape. Built for flood mitigation and to change a fluctuating river into a dependable source of water for irrigation, power, and other purposes, they are predestined, like natural lakes, to be destroyed sometime following their creation. Sedimentation sooner or later robs most lakes and reservoirs of their capacity to store water. The significance of sedimentation in the life of Lake Mead, the largest artificial reservoir in the world, was realized when the plan for the reservoir was conceived, and an aerial survey of the floor was made in 1935 before …

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The Geological Section Of Nebraska, E. C. Reed Jul 1959

The Geological Section Of Nebraska, E. C. Reed

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Mineral Deposits Of The Granite Gap Area, Hidalgo County, New Mexico, David N. Cargo Jun 1959

Mineral Deposits Of The Granite Gap Area, Hidalgo County, New Mexico, David N. Cargo

Earth and Planetary Sciences ETDs

The Granite Gap area lies in the central part of the Peloncillo Mountains about 28 miles southwest of Lordsburg, New Mexico. Ores of lead, zinc, silver, and tungsten from four separate deposits have been mined there during the past seventy years.

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Pennsylvanian Spores From The Sandia Formation Santa Fe County, New Mexico, Thomas L. Carten May 1959

Pennsylvanian Spores From The Sandia Formation Santa Fe County, New Mexico, Thomas L. Carten

Earth and Planetary Sciences ETDs

No abstract provided.

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Petrology Of The Tijeras Greenstone, Bernallio County, New Mexico, John J. Bruns May 1959

Petrology Of The Tijeras Greenstone, Bernallio County, New Mexico, John J. Bruns

Earth and Planetary Sciences ETDs

The Precambrian metamorphosis rocks of the Tijeras Canyon area crop out along a five-mile, northeast-trending belt, which lies approximately five miles east of the Sandia Mountains front, in north-central New Mexico. The sequence, to the east, is overlain uncomfortably by Pennsylvanian Madera limestone, while the trace of the Tijeras fault marks the western side.

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The Geology Of South Fork Thrust And Subsurface Geology Of The Belknap Ranch, Park County, Wyoming, James L. Deurmyer May 1959

The Geology Of South Fork Thrust And Subsurface Geology Of The Belknap Ranch, Park County, Wyoming, James L. Deurmyer

Earth and Planetary Sciences ETDs

The segment of the South Fork thrust in the Belknap ranch area contains rocks representative of the Upper Jurassic, Lower Cretaceous and Upper Cretaceous. The thrust plate occupies 75 percent of the mapped area. Approximately 3,500 feet of predominantly marine rocks comprise the detachment thrust and about 15 percent of the exposed rocks of the thrust plate is sandstone and conglomerate. All the rock units present in the thrust plate crop out beyond the edge of the over-riding mass except the Sundance and Morrison formations. Approximately 4,600 feet of geologic section is exposed of drilled in the mapped area. The …

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Water Levels In Observation Wells In Nebraska, 1958, C. F. Keech May 1959

Water Levels In Observation Wells In Nebraska, 1958, C. F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Geologic And Ground-Water Reconnaissance Of The Loup River Drainage Basin Nebraska, R. T. Sniegocki, R. H. Langford Jan 1959

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 …

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Boone County Preliminary Ground Water Study 1959 (Gm-14): Svoboda, G.R. Conservation And Survey Division , Size 8.5" X 11"., G.R. Svoboda Jan 1959

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.

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Nebraska Groundwater Relation To Median, Fall 1958 Oct 1958

Nebraska Groundwater Relation To Median, Fall 1958

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Groundwater Map Of Nebraska Showing Relation Of Fall 1959 Readings To Median Water Level Measurement, E. C. Reed Oct 1958

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.

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The Jurassic Todilto Formation Of New Mexico, Henry O. Ash Jun 1958

The Jurassic Todilto Formation Of New Mexico, Henry O. Ash

Earth and Planetary Sciences ETDs

The Todilto formation of New Mexico is a widespread and distinctive Jurassic unit confined to the northern one-half of the State and adjacent parts of Arizona and Colorado. It consists of a lower Limestone member and an upper Gypsum member. The Gypsum member also contains some limestone. The two members are not coextensive in area. Both are present in the central part of the area in which the formation is found, but the Limestone member extends far beyond the limits of the Gypsum member.

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Geology Of The Pedernal Hills Area Torrance County, New Mexico, John F. Fallis Jun 1958

Geology Of The Pedernal Hills Area Torrance County, New Mexico, John F. Fallis

Earth and Planetary Sciences ETDs

The area included in this report is in the north-central part of Torrance county, central New Mexico. The area is bounded on the north by U.S. Highway 66, on the east by U.S. Highway 285, on the south by U.S. Highway 60, and on the west by the approximate eastern edge of the Estancia basin. Clines Corners on U.S. Highway 66 forms the Northeast corner of the area. The mapped area contain approximately 230 square miles.

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Stratigraphy And Structure Of The French Mesa Area, Rio Arriba County, New Mexico, Francis L. Fitter Jun 1958

Stratigraphy And Structure Of The French Mesa Area, Rio Arriba County, New Mexico, Francis L. Fitter

Earth and Planetary Sciences ETDs

The French Mesa Area includes over 120 square miles between the Nacimiento- San Pedro uplift and the Gallina Mountain uplift in Rio Arriba County, New Mexico. The French Mesa anticline is the most striking structural and topographic feature of the area.

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Microstratigraphic And Sedimentational Studies Of An Early Man Site Near Lucy, New Mexico, Jerry Harbour Apr 1958

Microstratigraphic And Sedimentational Studies Of An Early Man Site Near Lucy, New Mexico, Jerry Harbour

Earth and Planetary Sciences ETDs

The purpose of the study has been to interpret the sedimentary record of the Lucy site deposits in order to establish a climatic sequence into which various cultural zones, especially the Sandia, may be placed, and to date this climatic sequence as accurately as possible. A second purpose has been to establish the reliability of the Pleistocene Lake Estancia shore levels as a regional floating chronology of climatic events, and to correlate the Lucy site sediments with this regional chronology. By means of the Lucy site artifacts, this chronology is partly fixed in time, so as a result of the …

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Water Levels In Observation Wells In Nebraska, 1957, C. F. Keech Apr 1958

Water Levels In Observation Wells In Nebraska, 1957, C. F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Oil In Nebraska Jan 1958

Oil In Nebraska

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1958 Jan 1958

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1958

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Photograph Of Relief Model Map Of Nebraska, Conservation And Survey Division Jan 1958

Photograph Of Relief Model Map Of Nebraska, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Nebraska Groundwater Level (Decline & Rise) As Of December 1957., E. C. Reed Dec 1957

Nebraska Groundwater Level (Decline & Rise) As Of December 1957., E. C. Reed

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

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Preliminary Estimate Of The Underflow Across The South Dakota-Nebraska State Line In The Niobrara River And Ponca Creek Drainage Basins, E. C. Reed, C. F. Keech Nov 1957

Preliminary Estimate Of The Underflow Across The South Dakota-Nebraska State Line In The Niobrara River And Ponca Creek Drainage Basins, E. C. Reed, C. F. Keech

Conservation and Survey Division: Faculty and Staff Publications

The purpose of this paper is to estimate the amount of ground water flowing across the South Dakota-Nebraska State line within the Niobrara River basin, including the Ponca Creek basin. The study was made at the request of the Niobrara River Compact Commission. The estimates fiven in the paper are preliminary and subject to revision.

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