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Articles 4981 - 5010 of 5281

Full-Text Articles in Hydrology

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

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 Apr 1965

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 Jan 1965

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

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Leaf Scorch Of Apple Trees, N H. Shorter Jan 1965

Leaf Scorch Of Apple Trees, N H. Shorter

Journal of the Department of Agriculture, Western Australia, Series 4

BEFORE the 1964-65 fruit season, sections of a number of orchards in the Donnybrook district were converted to systems of permanent overhead sprinkler irrigation.

In several cases, however, leaf scorch occurred where these overhead sprinklers were used during the day time.


Correlation Of Formations Drilled In Test Holes For Interstate 480 Bridge Between Omaha, Nebraska, And Council Bluffs, Iowa, R. R. Burchett Jan 1965

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.


Available Water Supply Of The Las Vegas Ground-Water Basin Nevada, Glenn Thomas Malmberg Jan 1965

Available Water Supply Of The Las Vegas Ground-Water Basin Nevada, Glenn Thomas Malmberg

Publications (WR)

The Las Vegas ground-water basin as described in this report includes the southern part of Indian Spring Valley, Three Lakes Valley, the northern half of Ivanpah Valley, and Las Vegas Valley. These valleys in part are inferred to form a hydrologic unit that includes an area of about 3,000 square miles in the southern part of Clark County, Nev.

The valleys forming the Las Vegas ground-water basin are broad structural depressions surrounded by mountains. The climate of the region is arid, and precipitation in the basin lowlands rarely exceeds 5 inches per year. Drainage is interior except for occasional Hood …


Revision Of The Classification Of The Pleistocene Deposits Of Nebraska, E. C. Reed, V. H. Dreeszen Jan 1965

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 Jan 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 Jan 1965

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

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska's Groundwater, C. First, J. Kufel, M. Seidel Jan 1965

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

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Soils, John A. Elder Dec 1964

Nebraska Soils, John A. Elder

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Basic-Data Report York County, Nebraska, C.F. Keech Dec 1964

Basic-Data Report York County, Nebraska, C.F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level Map (Decline & Rise) Between Fall 1954 And Fall 1964 Oct 1964

Nebraska Groundwater Level Map (Decline & Rise) Between Fall 1954 And Fall 1964

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Basic-Data Report Saline County, Nebraska, Philip A. Emery Jul 1964

Basic-Data Report Saline County, Nebraska, Philip A. Emery

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Ground-Water Appraisal Of The Meadow Valley Area, Lincoln And Clark Counties, Nevada, F. Eugene Rush Jul 1964

Ground-Water Appraisal Of The Meadow Valley Area, Lincoln And Clark Counties, Nevada, F. Eugene Rush

Publications (WR)

This report, the 27th in the series of reconnaissance ground-water studies which were initiated following authorization by the I960 Legislature, gives the results of a study of the Meadow Valley area. This area includes eight valleys in southeastern Nevada - - Patterson, Spring, Eagle, Dry, Rose, Panaca, Clover, and Lower Meadow Valley - - all part of the Colorado River drainage system.

This study was made and report prepared by F. Eugene Rush, Geologist for the U. S. Geological Survey.

These reconnaissance ground-water resources surveys make available pertinent information of great and immediate value to many State and Federal agencies. …


Water Levels In Observation Wells In Nebraska, 1963, Philip A. Emery, Mildred M. Malhoit Apr 1964

Water Levels In Observation Wells In Nebraska, 1963, Philip A. Emery, Mildred M. Malhoit

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Slope Deposits Of The Pennsylvanian Haymond Formation, Marathon Region, Texas, Walter E. Dean Jr. Jan 1964

Slope Deposits Of The Pennsylvanian Haymond Formation, Marathon Region, Texas, Walter E. Dean Jr.

Earth and Planetary Sciences ETDs

The Haymond Formation of the Marathon basin, Texas consists mainly of a sequence of more than 12,000 siltstone-shale couplets which, combined with the similar couplets of the older Tesnus Formation, form a sequence of "flysch" sediments more than 10,000 feet thick deposited on the eastern slope of the subsiding Llanoria geosyncline. The Haymond Formation contains no diagnostic fossils; its age is known only as Lower Pennsylvanian, probably Atokan.


Soil Erosion And Farm Water Supplies, J C. Grasby, J. E. Watson Jan 1964

Soil Erosion And Farm Water Supplies, J C. Grasby, J. E. Watson

Journal of the Department of Agriculture, Western Australia, Series 4

Water supplies for stock have an important influence on farm management.

In this article Soil Conservation Advisers J. C. Grasby and J. E. Watson discuss problems of soil erosion and farm water supplies.


Crossings For Channels And Drains In The Ord River Area, K S. Cole Jan 1964

Crossings For Channels And Drains In The Ord River Area, K S. Cole

Journal of the Department of Agriculture, Western Australia, Series 4

ON farms irrigated by surface methods it is essential to provide crossings over channels and drains.

These crossings must be wide and strong enough to take the biggest farm machinery.


Stratigraphic Sequences In The Pennsylvanian Of Nebraska And Their Relationships To Cyclic Sedimentation, E. C. Reed, R. R. Burchett Jan 1964

Stratigraphic Sequences In The Pennsylvanian Of Nebraska And Their Relationships To Cyclic Sedimentation, E. C. Reed, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level Map (Decline & Rise), Fall 1963 Oct 1963

Nebraska Groundwater Level Map (Decline & Rise), Fall 1963

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Lithostratigraphy And Correlation Of The Mississippian System In Nebraska, Marvin P. Carlson May 1963

Lithostratigraphy And Correlation Of The Mississippian System In Nebraska, Marvin P. Carlson

Conservation and Survey Division: Faculty and Staff Publications

The purpose of this study is to describe and correlate rocks of Mississippian age within the state of Nebraska. Shales, generally classified as "Chattanooga" and commonly referred to as Devonian or Mississippian in the northern Mid-Continent, have been included in this study, although these shales are more generally believed to be Devonian and not Mississippian by most stratigraphers and paleontologists at the present time. Since rocks of Mississippian age are present only in the subsurface of Nebraska, the basic information for this report is derived from the microscopic study of cuttings and cores from test wells drilled within the state.


Water Levels In Observation Wells In Nebraska, 1962, Philip A. Emery, Mildred M. Malhot Apr 1963

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.


Topographic Regions Maps, J. A. Elder, V. H. Dreeszen, E. C. Weakly Jan 1963

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 Oct 1962

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.


Geology Of The Sedillo-Cedro Canyon Area, Bernallio County, New Mexico, Bert Norman Brown Jun 1962

Geology Of The Sedillo-Cedro Canyon Area, Bernallio County, New Mexico, Bert Norman Brown

Earth and Planetary Sciences ETDs

This report was undertaken primarily as a study of Pennsylvanian strata which crop out in the Sedillo-Cedro Canyon area. The subdivision of the Madera formation as proposed by Read and others (1944) was adopted for purposes of mapping. This subdivision is based on a dominance of either limestone or clastic rocks in the formation.

The writer was unable to measure a Pennsylvanian section in the field due to thickness changes, facies gradations, and faults which were often concealed by dense soil cover. However, by visually traversing the area on aerial photographs using arbitrarily chosen zones, estimated thicknesses for the members …


Permian Stratigraphy And Stratigraphic Paleontology Of The Colorado Plateau, Peggy L. Kirkland Jun 1962

Permian Stratigraphy And Stratigraphic Paleontology Of The Colorado Plateau, Peggy L. Kirkland

Earth and Planetary Sciences ETDs

The purpose of this study is to synthesize a portion of this vast source of data in order to arrive at a better understanding of Permian stratigraphy.


Geology Of Torreon And Pedricenas Quadrangles, Coahuila And Durango, Mexico, Russell E. Clemons May 1962

Geology Of Torreon And Pedricenas Quadrangles, Coahuila And Durango, Mexico, Russell E. Clemons

Earth and Planetary Sciences ETDs

The Torreon and Pedricenas quadrangles are in central Mexico between parallels 25 degrees and 26 degrees N. and meridians 103 degrees 20' and 104 degrees W.; together they embrace 7,600 square kilometers. The northeastern corner of the area lies in the Bolson de Mapimi; most of the area, however, is in the Sierra Madre Oriental.


Hypogene Zoning In The Lordsburg Mine District, Hidalgo County, New Mexico, K. F. Clark May 1962

Hypogene Zoning In The Lordsburg Mine District, Hidalgo County, New Mexico, K. F. Clark

Earth and Planetary Sciences ETDs

Although descriptions of the Lordsburg mining district have been in the literature for more than fifty years, no reference to hypogene zoning of the ores has been made. The present work is mainly concerned with hypogene zoning and related phenomena. Hypogene zoning, temperature of formation, and paragenesis are interrelated factors in ores differentiated from magmas. All three processes are discussed in this thesis. Other aspects of the mining district are mentioned only where relevant.


Water Levels In Observation Wells In Nebraska, 1961, C.F. Keech, J.B. Hyland Apr 1962

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.