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Articles 25741 - 25770 of 25788

Full-Text Articles in Physical Sciences and Mathematics

A Workable Bed Of Coal In Nebraska, Erwin Hinckley Barbour Jul 1906

A Workable Bed Of Coal In Nebraska, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

ALTHOUGH for years past the state legislature of Nebraska has offered a bounty amounting to four thousand dollars for the discovery of a twenty-six-inch bed of workable coal, and five thousand for a thirty-six-inch bed, it is only within the past few days that any one has filed with the governor legitimate claims for the bounty. The bed of coal recently exposed, near Peru, Neb., extending some forty-two feet along the sides of a tunnel back from the banks of Honey Creek, seems to be fully thirty-four inches in thickness, as measured by the writer. This is known as the …


Comparative Observations On The Evolution Of Gas From The Cathode In Helium And Argon, Clarence A. Skinner Jul 1906

Comparative Observations On The Evolution Of Gas From The Cathode In Helium And Argon, Clarence A. Skinner

University Studies (University of Nebraska) (1888–1984)

No abstract provided.


Report Of The Tenth Geological Expedition Of Hon. Charles H. Morrill, Season Of 1905, Erwin Hinckley Barbour Jan 1906

Report Of The Tenth Geological Expedition Of Hon. Charles H. Morrill, Season Of 1905, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

The season of 1905 marked a renewal of paleontological activity in the University of Nebraska, since it so happened that for the first time in several years funds became available again for the prosecution of such work.

By virtue of the liberal support and patronage of Hon. Charles H. Morrill, of Lincoln, annual geological expeditions, essentially paleontological in character, had been maintained in connection with the state university since 1892. In 1901, though his interest in the work AS well as his good will continued, his patronage ceased. This was wholly due to the overcrowded condition of the state museum, …


Report Of The Tenth Geological Expedition Of Hon. Charles H. Morrill, Season Of 1905, Erwin Hinckley Barbour Jan 1906

Report Of The Tenth Geological Expedition Of Hon. Charles H. Morrill, Season Of 1905, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

The season of 1905 marked a renewal of paleontological activity in the University of Nebraska, since it so happened that for the first time in several years funds became available again for the prosecution of such work.
By virtue of the liberal support and patronage of Hon. Charles H. Morrill, of Lincoln, annual geological expeditions, essentially paleontological in character, had been maintained in connection with the state university since 1892. In 1901, though his interest in the work AS well as his good will continued, his patronage ceased. This was wholly due to the overcrowded condition of the state museum, …


Geography Of Nebraska, George Evert Condra Jan 1906

Geography Of Nebraska, George Evert Condra

George E. Condra Publications

No abstract provided.


The Geology Of Cass County Nebraska, Elmer Grant Woodruff Jan 1906

The Geology Of Cass County Nebraska, Elmer Grant Woodruff

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Preliminary Report On The Primitive Man Of Nebraska, Erwin H. Barbour, Henry B. Ward Jan 1906

Preliminary Report On The Primitive Man Of Nebraska, Erwin H. Barbour, Henry B. Ward

Conservation and Survey Division: Faculty and Staff Publications

About ten miles north of Omaha, or three miles north of Florence, Nebraska, on a hill weathered out of the Loess formation, a circular burial mound was recently observed and explored by Mr. Robert F. Gilder.


Notice Of A New Fossil Rhinoceros From Sioux County Nebraska, Erwin Hinckley Barbour Jan 1906

Notice Of A New Fossil Rhinoceros From Sioux County Nebraska, Erwin Hinckley Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


A New Miocene Artiodactyl, Erwin Hinckley Barbour Dec 1905

A New Miocene Artiodactyl, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

AMONG several discoveries made in the Daimonelix beds (Loup Fork) of Sioux County, Nebraska, the most striking one of the season seems to be that of a new four-horned ancestral antelope, Syndyoceras cooki, the skull of which is herein figured and briefly described. The discovery was made by Mr. Harold G. Cook, a former Lincoln student and a member of the Morrill geological expedition of 1905.


Electric Double-Refraction In Carbon Disulphide At Low Potentials, Gustaf W. Elmen Jan 1905

Electric Double-Refraction In Carbon Disulphide At Low Potentials, Gustaf W. Elmen

University Studies (University of Nebraska) (1888–1984)

When light polarized at an angle of forty-five degrees to the lines of force is passed through certain dielectrics, between two parallel electrodes, they become double-refracting. The difference of phase, delta, between the two components of light at right angles and parallel to the lines of force, as represented by Kerr and verified by later investigators, is

δ = ± BP2l/a2

where B is the electro-optic constant, depending on, the dielectric, I the length, and a the distance between the plate' electrodes in centimeters, and P the difference of potential between the electrodes in C.G.S. units.

From …


Notice Of A New Fossil Mammal From Sioux County Nebraska, Erwin Hinckley Barbour Jan 1905

Notice Of A New Fossil Mammal From Sioux County Nebraska, Erwin Hinckley Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


The Morrison Formation And Its Relations With The Comanche Series And The Dakota Formation, T. W. Stanton Jan 1905

The Morrison Formation And Its Relations With The Comanche Series And The Dakota Formation, T. W. Stanton

United States Geological Survey: Staff Publications

The beds now generally designated on U. S. Geological Survey maps as the Morrison formation have been a subject of interest and discussion since I877, when abundant remains of dinosaurs were found in them. The first extensive collections of the vertebrate fauna were obtained in the neighborhood of Morrison near Denver, -in Garden Park, near Canyon City, Colorado, and at Como, or Aurora, Wyoming. Since then the formation has been recognized by means of its fossils, its lithologic features, and its stratigraphic relations in the Black Hills, on the Laramie Plains, and elsewhere in Wyoming, in Montana, in western Colorado, …


The Graphical Representation Of Magnetic Theories, Harold N. Allen Jan 1904

The Graphical Representation Of Magnetic Theories, Harold N. Allen

Department of Physics and Astronomy: Dissertations, Theses, and Student Research

The induction theory of magnetism, introduced by Faraday, is now looked upon by all physicists as correct. The older theory which assumes the existence of magnetic fluids covering the ends of the magnet is in some cases mathematically simpler, and is for this reason often made use of. This, however, is apt to breed confusion as to the true nature of the induction or polarization in any given case. The difficulty Tyndall experienced in accepting Faraday's views as to diamagnetism, is accounted for by the fact that he was thinking in terms of the fluid theory, while Faraday was considering …


Present Knowledge Of The Distribution Of Daimonelix, Erwin Hinckley Barbour Oct 1903

Present Knowledge Of The Distribution Of Daimonelix, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

Daimonelix when first discovered, in 1891, was thought to be confined to the elevated tablelands of central Sioux County, Nebraska. In the meantime its range has been extended and it is now known almost throughout the entire Arikaree formation, a tract probably about five hundred miles in diameter, situated in Nebraska, Kansas, South Dakota, Wyoming and Colorado. The more fibrous forms of Daimonelix constitute a character so constant as to justify the name Fibrous Arikaree for the upper half of the formation.


The Coal Measure Bryozoa Of Nebraska, George Evart Condra Jan 1903

The Coal Measure Bryozoa Of Nebraska, George Evart Condra

George E. Condra Publications

In the summer of 1896, at the suggestion of Professor Erwin H. Barbour, Director of the Nebraska Geological Survey, the writer began a study of the fossil bryozoa of the state.


Report Of The State Geologist, Erwin H. Barbour Jan 1903

Report Of The State Geologist, Erwin H. Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geologic Atlas Of The United States: Scotts Bluff Folio Nebraska, N. H. Darton Jan 1903

Geologic Atlas Of The United States: Scotts Bluff Folio Nebraska, N. H. Darton

United States Geological Survey: Publications

Explanation

The Topographic Map

The Geologic Map

Description of the Scotts Bluff Quadrangle

Geography

Geology

Stratigraphy

Eocene Period

Neocene Period

Pleistocene Period

Pre-Eocene Rocks

Brief Geological History of the Central Great Plains Region

Economic Geology

Underground WAters

Irrigation

Volcanic Ash

Ages of Rocks

Topographic Sheet

Areal Geology Sheet

Columnar Section Sheet

Illustration Sheet


Advertising Brochure: 1903 Mccormick Farm Equipment, Nebraska Tractor Test Lab Jan 1903

Advertising Brochure: 1903 Mccormick Farm Equipment, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Report On The Progress Of The Nebraska State Geological Survey And The Morrill Geological Expedition Of 1901, Erwin Hinckley Barbour Jul 1902

Report On The Progress Of The Nebraska State Geological Survey And The Morrill Geological Expedition Of 1901, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

IN spite of the phenomenal heat of the summer of 1901, which was of such intensity and duration that active work in the field was finally suspended, enough progress was made to justify the presentation of the matter to this society. It should be reported, first of all, that a request for funds, amounting to twelve hundred dollars, for publishing the first reports of the state geological survey, was presented to the Legislature, and was passed April 1, 1901, without comment or dissent. This may be recorded as the first sum voted by the state for the examination and publication …


Geological Atlas Of The United States: Camp Clark Folio, Nebraska, Charles D. Walcott, N. H. Darton Jan 1902

Geological Atlas Of The United States: Camp Clark Folio, Nebraska, Charles D. Walcott, N. H. Darton

United States Geological Survey: Publications

12 oversize pages, 18-3/8 x 21-3/4 inches

Includes parts of Cheyenne, Scotts Bluff, and Banner Counties.

Geography, Economic Geology

Topographic Sheet

Areal Geology Sheet 41°30' 103°00' to 42°00', 103°30'

Columnar Section Sheet

7 photos


Geologic Atlas Of The United States: Scotts Bluff Folio, Nebraska, Charles D. Walcott, N. H. Darton Jan 1902

Geologic Atlas Of The United States: Scotts Bluff Folio, Nebraska, Charles D. Walcott, N. H. Darton

United States Geological Survey: Publications

Geography

Geology

Economic Geology

Topographic sheet

Areal Geology sheet

Columnar Section sheet

6 photos


The Geological Bibllography Of Nebraska, Erwin H. Barbour, Cassius A. Fisher Jan 1901

The Geological Bibllography Of Nebraska, Erwin H. Barbour, Cassius A. Fisher

Department of Earth and Atmospheric Sciences: Faculty Publications

Where there is a wide diversity of interests it is necessary for citizens, including farmers, mechanics, merchants, students, and professional men, to make constant reference to. the various authors of the state to learn what has been done and what has been written along the diverse lines of investigation in which they are interested. In response, then, to constant inquiry the following list of papers is prepared, being compiled from every available source. PaleontoIogical papers dealing mainly with the descriptions have not been included in every case. But the list of articles concerning our geography, physiography, stratigraphy, resources, water-supply, etc., …


Report On The Work Of The Morrill Geological Expeditions Of The University Of Nebraska, Carrie Adeline Barbour Jun 1900

Report On The Work Of The Morrill Geological Expeditions Of The University Of Nebraska, Carrie Adeline Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

Through the generosity of the Hon. Charles H. Morrill, of Lincoln, the expeditions sent out from the University of Nebraska, known as the Morrill Geological Expeditions, have become a permanent organization of the University. Therefore, it is but a fitting mark of respect that reports of these expeditions be given to the Nebraska Academy of Science from time to time in order that they may become matters of record. Introductory to this work, a private geological excursion was undertaken in June of 1891, by Mr. Erwin Hinckley Barbour in the interest of the University of Nebraska. At this time the …


Glacial Grooves And Striae In Southeastern Nebraska, Erwin Hinckley Barbour May 1900

Glacial Grooves And Striae In Southeastern Nebraska, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

NEBRASKA is so close upon the western as well as the southern limit of the drift that evidences of glacial action which might be commonplace elsewhere are rare and interesting here. The mere fact that glacial grooves and striae have been found seems worthy therefore of mention. Glacial drift, readily recognizable as such, does not extend far west of the 97th meridian, and in but one place in the state, on the Dakota-Nebraska boundary, does it reach the 98th meridian. East of the 97th meridian it is distinct and unmistakable, and it may be offered as a safe statement that …


Report On The Initial Work Of The State Geological Survey Of Nebraska, Erwin Hinckley Barbour Mar 1900

Report On The Initial Work Of The State Geological Survey Of Nebraska, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

IN a State such as Nebraska where there is no 'mineral'--a term which in the west has come to mean gold and silver-bearing--it is difficult to convince the masses that there is the least possible economic importance in a State geological survey.

If 'mineral' did occur, apathy could much more easily be overcome, and the appeals for a survey would find more willing and receptive ears. But something stronger than apathy is encountered in the prejudice which has been engendered against a State survey by men who have sought heretofore to establish such for the evident purpose of holding office, …


Wells And Windmills In Nebraska, Erwin Hinckley Barbour Jan 1899

Wells And Windmills In Nebraska, Erwin Hinckley Barbour

United States Geological Survey: Publications

SIR :

I have the honor to transmit herewith a manuscript entitled "Wells and Windmills in Nebraska," prepared by Erwin Hinckley Barbour, professor of geology in the University of Nebraska and acting State geologist. The data for this manuscript were obtained by Professor Barbour incidental to his studies of the geology of the State, and have been rounded out by special work carried on under his direction. The original manuscript as prepared consisted of two parts the first upon wells, and the second upon homemade windmills but owing to delays in printing the first part, it has been considered advisable …


The Effect Of Certain Methods Of Soil Treatment Upon The Corn Crop, T. L. Lyon Jun 1898

The Effect Of Certain Methods Of Soil Treatment Upon The Corn Crop, T. L. Lyon

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The effect of certain methods of soil treatment upon the corn crop in Nebraska.


A Preliminary Report On The Mechanical Analyses Of The Soils Of Nebraska., Erwin Hinckley Barbour Jan 1898

A Preliminary Report On The Mechanical Analyses Of The Soils Of Nebraska., Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

Under the auspices of the State Board of Agriculture the Geologist of the Board undertook, in 1892, the work of collecting the soils of the state, both for permanent display in the State Museum and for the more technical purposes of analysis.


Windbreaks, Fred W. Card Apr 1897

Windbreaks, Fred W. Card

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Includes the results of a survey of farmers in Nebraska, New York, Michigan, and a few other places, regarding the purpose and value of windbreaks.


The Occurrence In Nebraska Of Vireo Flavoviridis, Erwin Hinckley Barbour Jul 1896

The Occurrence In Nebraska Of Vireo Flavoviridis, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

A specimen of the Yellow-green Vireo, Vireo flavoviridis, shot at Long Pine, Brown County, has just been received by the Curator of the Museum of the University of Nebraska. This is the first one reported in this State. It is a rare Vireo for the entire United States having been reported, as far as the author can learn, from Texas, California, and Canada only.