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Articles 24151 - 24180 of 24230

Full-Text Articles in Physical Sciences and Mathematics

Notice Of Jelly Fishes In The Carboniferous Of Nebraska, "Medusina Walcotti", E. H. Barbour Jan 1914

Notice Of Jelly Fishes In The Carboniferous Of Nebraska, "Medusina Walcotti", E. H. Barbour

Conservation and Survey Division

No abstract provided.


A New Longisrostral Mastodon From Cherry County, Nebraska, E. H. Barbour Jan 1914

A New Longisrostral Mastodon From Cherry County, Nebraska, E. H. Barbour

Conservation and Survey Division

During the season of 1914, field work in the fossil regions was pushed less vigorously than usual owing to lack of funds. N evertheless some interesting and valuable material was obtained by the N ebraska Geological Survey, notably the great mandible of a new longirostral mastodon from Cherry County, together with associated tusk and bones.

The mastodon constituting the basis of this paper was found in the exposnres bordering the Snake River in section 33, range 30 west, and township 32 north. The talus slope was strewn with fragments of the tusk and bone of a mastodon. This led the …


Plant Tissue In The Carboniferous Shales Of Nebraska, E. H. Barbour Jan 1914

Plant Tissue In The Carboniferous Shales Of Nebraska, E. H. Barbour

Conservation and Survey Division

No abstract provided.


Two New Fossil Dogs Of The Genus "Crynarctus" From Nebraska, E. H. Barbour Jan 1914

Two New Fossil Dogs Of The Genus "Crynarctus" From Nebraska, E. H. Barbour

Conservation and Survey Division

No abstract provided.


Studies On The Relation Of The Nonavailable Water Of The Soil To The Hygroscopic Coefficient, F. J. Always Jun 1913

Studies On The Relation Of The Nonavailable Water Of The Soil To The Hygroscopic Coefficient, F. J. Always

Nebraska Agricultural Experiment Station: Historical Research Bulletins

These experiments were carried out in connection with and subordinate to various soil investigations, the object being to determine the relation of the final water content of the soil to the hygroscopic coefficient and to determine to what extent the moisture was removed from the different portions of the subsoil not penetrated by plant roots.


Cross-Bedding In The White River Formation Of Northwestern South Dakota, Dean E. Winchester Jan 1913

Cross-Bedding In The White River Formation Of Northwestern South Dakota, Dean E. Winchester

United States Geological Survey: Staff Publications

Rocks of White River (Oligocene) age have been known for many years to constitute numerous isolated buttes and mesas in the northwest corner of South Dakota, but no detailed study of their character and structural relations had been made until 1911, when, during an examination of the lignite area of that country, the writer had occasion to study the relation of the younger rocks to those containing lignite beds.

Todd, in 1895, recognized the White River formation in the Slim Buttes and called attention to the area in the following language:

3. Miocene beds, both White River and Loup Fork, …


A Minor Phenomenon Of The Glacial Drift In Nebraska, Erwin H. Barbour Jan 1913

A Minor Phenomenon Of The Glacial Drift In Nebraska, Erwin H. Barbour

Conservation and Survey Division

No abstract provided.


Cement Manufacture In Nebraska, Erwin Hinckley Barbour Jan 1913

Cement Manufacture In Nebraska, Erwin Hinckley Barbour

Conservation and Survey Division

It is the purpose of this paper to briefly review the history of cement manufacture in the State, to call attention to certain promising exposures of cement rock, and to report upon the first modern cement mill in Nebraska. Not that this State has been slow in recognizing cement as one of the most important modern constructional materials; or slow to recognize the need of developing its natural resources; but due rather to a combination of circumstances. For at least twenty years, many Nebraskans have had in mind the importance of establishing cement plants in this State. Furthermore encouraging inducements …


Notice Of Newly Discovered Eurypterids In Nebraska, Erwin Hinckley Barbour Nov 1912

Notice Of Newly Discovered Eurypterids In Nebraska, Erwin Hinckley Barbour

Department of Earth and Atmospheric Sciences: Faculty Publications

A BED of Eurypterids has just been discovered by the Nebraska Geological Survey in the Carboniferous shales of southeastern Nebraska, and thus a new locality is added to the list for the United States. Such localities are somewhat rare, and notice of any and every new one must be acceptable.

The Carboniferous outcrops are confined to some eight or ten counties in the extreme southeastern corner of the state, and though covered heavily by glacial clays, bold exposures occur in proximity to the bolder streams, especially the Missouri River. About a mile south of Peru, on the Missouri River front, …


Suggestions To Correspondents, E. H. Barbour Jan 1912

Suggestions To Correspondents, E. H. Barbour

Conservation and Survey Division

No abstract provided.


A New Genus And Species Of Rhinoceros, Epiaphelops Virgasectus From The Lower Miocene Of Nebraska, H. J. Cook Jan 1912

A New Genus And Species Of Rhinoceros, Epiaphelops Virgasectus From The Lower Miocene Of Nebraska, H. J. Cook

Conservation and Survey Division

No abstract provided.


A New Species Of Rhinoceros, "Diceratherium Loomisi," From The Lower Miocene Of Nebraska, H. J. Cook Jan 1912

A New Species Of Rhinoceros, "Diceratherium Loomisi," From The Lower Miocene Of Nebraska, H. J. Cook

Conservation and Survey Division

No abstract provided.


Faunal Lists Of The Tertiary Formations Of Sioux County, Nebraska, H. J. Cook Jan 1912

Faunal Lists Of The Tertiary Formations Of Sioux County, Nebraska, H. J. Cook

Conservation and Survey Division

No abstract provided.


A New Genus And Species Of Rhinoceros, Epiaphelops Virgasectus From The Lower Miocene Of Nebraska, Erwin Hinckley Barbour Jan 1912

A New Genus And Species Of Rhinoceros, Epiaphelops Virgasectus From The Lower Miocene Of Nebraska, Erwin Hinckley Barbour

Conservation and Survey Division

No abstract provided.


Suggestions To Correspondents, Erwin Hinckley Barbour Jan 1912

Suggestions To Correspondents, Erwin Hinckley Barbour

Conservation and Survey Division

No abstract provided.


An Account Of The Nebraska Geological Survey, Erwin Hinckley Barbour Jan 1912

An Account Of The Nebraska Geological Survey, Erwin Hinckley Barbour

Conservation and Survey Division

No abstract provided.


An Important Undeveloped Clay Bed, Erwin Hinckley Barbour Jan 1912

An Important Undeveloped Clay Bed, Erwin Hinckley Barbour

Conservation and Survey Division

No abstract provided.


Report Of The Nebraska Conservation And Soil Survey, G. E. Condra Jan 1912

Report Of The Nebraska Conservation And Soil Survey, G. E. Condra

Conservation and Survey Division

No abstract provided.


Report Of The Second Annual Nebraska Conservation And State Development Congress, G. E. Condra, W. G. Whitmore, W. R. Mellor Jan 1911

Report Of The Second Annual Nebraska Conservation And State Development Congress, G. E. Condra, W. G. Whitmore, W. R. Mellor

George E. Condra Publications

No abstract provided.


A New Carboniferous Coral "Craterophyllum Verticillatum", Erwin Kinckley Barbour Jan 1911

A New Carboniferous Coral "Craterophyllum Verticillatum", Erwin Kinckley Barbour

Conservation and Survey Division

No abstract provided.


Geographical Influences In The Development Of Nebraska, George E. Condra Jan 1910

Geographical Influences In The Development Of Nebraska, George E. Condra

George E. Condra Publications

Nebraska is centrally located in the mainland of the United States, being a part of the long slope of the High Plains Regions.


Preliminary Notes On The Carboniferous Flora Of Nebraska, Roy V. Pepperberg Jan 1910

Preliminary Notes On The Carboniferous Flora Of Nebraska, Roy V. Pepperberg

Conservation and Survey Division

About the middle of July, 1907, while engaged by the Nebraska City Commercial Club in examining the geology of Nebraska City and vicinity, the writer was called b the farm of Mr. C. B. James to look at a bed of what was supposed to be fire clay. This proved to be a Carboniferous deposit of stratified micaceous sandstone, interstratified with a fine compact shale, both of which are yellow in color and very fragile when wet.


Coal In Nebraska, Roy V. Pepperberg Jan 1910

Coal In Nebraska, Roy V. Pepperberg

Conservation and Survey Division

Until February, 1906, Nebraska was termed "the state without a mine," and may still be called the state with but a single mine, and yet it would be impossible to tell how much prospecting has been done, or to estimate the number of thousands of dollars that have been spent in this state trying to develop paying mines from the thin beds of coal discovered throughout various parts of the state in the Carboniferous and Cretaceous formations.


Coal In Nebraska, Roy V. Pepperberg Jan 1910

Coal In Nebraska, Roy V. Pepperberg

Conservation and Survey Division

Until February, 1906, Nebraska was termed "the state without a mine," and may still be called the state with but a single mine, and yet it would be impossible to tell how much prospecting has been done, or to estimate the number of thousands of dollars that have been spent in this state trying to develop paying mines from the thin beds of coal discovered throughout various parts of the state in the Carboniferous and Cretadeous formations.


The Development Of Our Natural Resources, E. H. Barbour Jan 1910

The Development Of Our Natural Resources, E. H. Barbour

Conservation and Survey Division

No abstract provided.


Paleogeographic Maps Of North America, Bailey Willis Jan 1909

Paleogeographic Maps Of North America, Bailey Willis

United States Geological Survey: Staff Publications

In passing from the Jurassic to the Lower Cretaceous North America underwent but little change along the Atlantic border and throughout the east. It remained a low land and the coastal plain was somewhat more deeply submerged. But on the Pacific coast, on the contrary, there was pronounced movement, particularly in the Coast Range of California. A bold peninsula developed from Oregon south to Santa Barbara and, being eroded, yielded the thick sediments of the Shasta group, which were deposited in marine water east of it, in part.

In Alaska the Shastan sea appears to have invaded the Jurassic land …


The Sand And Gravel Resources And Industries Of Nebraska, George Evart Condra Jan 1908

The Sand And Gravel Resources And Industries Of Nebraska, George Evart Condra

George E. Condra Publications

Sand and gravel are Nebraska's most important mineral resources. The extensive use which is made of these materials in the building and trade industries not only in our own but in adjoining states, is a factor of economic importance in the industrial development of Nebraska.


The Skull Of Moropus, Erwin Hinckley Barbour Jan 1908

The Skull Of Moropus, Erwin Hinckley Barbour

Conservation and Survey Division

During the summer of 1905 the Morrill Geological Expedition of the University of Nebraska had the good fortune to discover early in July the skull of Moropus. Associated with it were mandible, atlas and other cervicals, and various skeletal parts.


The Control, Development And Utilization Of The Missouri River And Its Tributaries, G. E. Condra, H. W. Caldwell, O. V.P. Stout, F. J. Phillips, N. A. Bengtson, George L. Sheldon Jan 1908

The Control, Development And Utilization Of The Missouri River And Its Tributaries, G. E. Condra, H. W. Caldwell, O. V.P. Stout, F. J. Phillips, N. A. Bengtson, George L. Sheldon

Conservation and Survey Division

The speakers at this conference were Professors Condra, Caldwell, Stout, Phillips, Bengtson, and Gov. George L. Sheldon, with Dean Charles E. Bessey presiding. The principal object of the meeting was to make known reliable information in regard to the Missouri river, concerning which there is widespread interest and in some instances a tendency to magnify the future possibilities of the river. This paper is an account of the conference. It gives some of the thoughts that were emphasized at the symposium, reciting the facts as they were given by those who have investigated the respective phases of the theme.

GEOGRAPHIC …


Skeletal Parts Of Moropus, Erwin Hinckley Barbour Jan 1908

Skeletal Parts Of Moropus, Erwin Hinckley Barbour

Conservation and Survey Division

In the foregoing publication, it was announced that the skull of Moropus had been discovered. Heretofore the genus had been known chiefly by scattered teeth and fragments, mostly toe bones, but now that the collections of Hon. Charles H. Morrill, Nebraska State Museum, have the skeletal parts necessary for the restoration of this remarkable animal, it seems advisable to supplement the brief illustrated report concerning the skull of Moropus with a similar paper concerning its skeletal parts.