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Articles 23821 - 23850 of 23945
Full-Text Articles in Entire DC Network
Nebraska's Game Resources And Their Conservation, Robert H. Wolcott, Frank H. Shoemaker
Nebraska's Game Resources And Their Conservation, Robert H. Wolcott, Frank H. Shoemaker
Conservation and Survey Division
No abstract provided.
Soils Of Nebraska As Road Materials-Naming, Routing, Marking Of Nebraska Highways, G. E. Condra
Soils Of Nebraska As Road Materials-Naming, Routing, Marking Of Nebraska Highways, G. E. Condra
Conservation and Survey Division
No abstract provided.
Studies Concerning The Elimination Of Experimental Error In Comparative Crop Tests, T. A. Kiesselbach
Studies Concerning The Elimination Of Experimental Error In Comparative Crop Tests, T. A. Kiesselbach
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
It is apparent that many sources of error have unconsciously entered into comparative crop yield tests. The very important matter of overcoming variation in soil conditions as a source of experimental error has been quite extensively studied and reported by various investigators during the past decade. The means suggested for reducing such error have been (1) repetition of plats and (2) correction of yields according to check plats planted to a uniform variety or treatment at stated intervals. Both methods have proved of value and a combination of both may often be used advantageously. Some danger always exists of error …
A Theorem On Semi-Continuous Functions, Henry Blumberg
A Theorem On Semi-Continuous Functions, Henry Blumberg
Department of Mathematics: Faculty Publications
Recently G. C. Young and A. Denjoy have communicated theorems—those in Denjoy's memoir are of an especially comprehensive character—dealing, in particular, with point sets where the four derivatives of a given continuous function are identical. It is the purpose of this note to treat an analogous problem that arises when "derivative" is replaced by "saltus." However, instead of confining ourselves to "saltus," we prove a more general theorem that applies essentially to all semi-continuous functions. We preface the proof of this theorem with the following
Conservation Survey Of Nemaha County, Nebraska, G. E. Condra
Conservation Survey Of Nemaha County, Nebraska, G. E. Condra
Conservation and Survey Division
No abstract provided.
The Potash Industry Of Nebraska, George E. Condra
The Potash Industry Of Nebraska, George E. Condra
George E. Condra Publications
No abstract provided.
Drainage Districts Of Southeastern Nebraska, Calvin Turner Moore
Drainage Districts Of Southeastern Nebraska, Calvin Turner Moore
Conservation and Survey Division
Throughout certain parts of the United States the importance of drainage is receiving increased recognition each year. The scope of investigations and operations covers many localities that are affected with "springy" lands, swamps, shallow lakes, overflowed lands, and tide lands.
Preliminary Report On The Clay Industry Of Nebraska, Erwin Hinckley Barbour
Preliminary Report On The Clay Industry Of Nebraska, Erwin Hinckley Barbour
Conservation and Survey Division
No abstract provided.
Preliminary Report On The Clay Industry Of Nebraska, E. H. Barbour
Preliminary Report On The Clay Industry Of Nebraska, E. H. Barbour
Conservation and Survey Division
No abstract provided.
A Short Story As Regards The Drainage Of Salt Creek, G. E. Condra
A Short Story As Regards The Drainage Of Salt Creek, G. E. Condra
Conservation and Survey Division
No abstract provided.
Operator's Instruction Manual: Case Va, Nebraska Tractor Test Lab
Operator's Instruction Manual: Case Va, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
The Natural Fuels Of Nebraska, Erwin H. Barbour
The Natural Fuels Of Nebraska, Erwin H. Barbour
Conservation and Survey Division
No abstract provided.
A Giant Nebraska Bear "Dinarchtotherium Merriama", E. H. Barbour
A Giant Nebraska Bear "Dinarchtotherium Merriama", E. H. Barbour
Conservation and Survey Division
No abstract provided.
A Preliminary Report Of The Alkali Resources Of Nebraska, E. H. Barbour
A Preliminary Report Of The Alkali Resources Of Nebraska, E. H. Barbour
Conservation and Survey Division
No abstract provided.
A Preliminary Report Of The Alkali Resources Of Nebraska, Nebraska Geological Survey
A Preliminary Report Of The Alkali Resources Of Nebraska, Nebraska Geological Survey
Conservation and Survey Division
No abstract provided.
Nebraska Pumicite, E. H. Barbour
Nebraska Pumicite, E. H. Barbour
Conservation and Survey Division
No abstract provided.
A Description Of Two New Fossil Fungi, A. C. Whitford
A Description Of Two New Fossil Fungi, A. C. Whitford
Conservation and Survey Division
No abstract provided.
Some Plant Cuticles From The Graneros Shale, A. C. Whitford
Some Plant Cuticles From The Graneros Shale, A. C. Whitford
Conservation and Survey Division
No abstract provided.
Road Problems In Nebraska, G. E. Condra
Road Problems In Nebraska, G. E. Condra
Conservation and Survey Division
No abstract provided.
Nebraska Green Quartzite - An Important Future Industry, E. H. Barbour
Nebraska Green Quartzite - An Important Future Industry, E. H. Barbour
Conservation and Survey Division
No abstract provided.
The Round Ligament Of Nebraska Proboscideans, E. H. Barbour
The Round Ligament Of Nebraska Proboscideans, E. H. Barbour
Conservation and Survey Division
No abstract provided.
Nebraska Rocks Which Excite Common Inquiry, E. H. Barbour
Nebraska Rocks Which Excite Common Inquiry, E. H. Barbour
Conservation and Survey Division
No abstract provided.
Notes On The Geology Of Sioux County, Nebraska, And Vicinity, H. J. Cook
Notes On The Geology Of Sioux County, Nebraska, And Vicinity, H. J. Cook
Conservation and Survey Division
No abstract provided.
Nebraska Fossils Which Excite Common Inquiry, Erwin H. Barbour
Nebraska Fossils Which Excite Common Inquiry, Erwin H. Barbour
Conservation and Survey Division
This paper must not be mistaken for a report on the fossils of Nebraska. It is merely a circular letter to correspondents describing and figuring those fossils only which occasion frequent comment. In two recent papers of the Survey consideration was given to the common minerals and rocks of Nebraska, and it seems opportune to briefly discuss our fossils in a like manner. Probably no other State can boast of such a well-preserved and varied fauna.
Nebraska Rocks Which Excite Common Inquiry, Erwin H. Barbour
Nebraska Rocks Which Excite Common Inquiry, Erwin H. Barbour
Conservation and Survey Division
This leaflet it intended to serve as an answer to correspondents who make inquiry about the rocks of Nebraska1. Unfortunately for those interested in such matters, the rocks of the State are few in number, and are deeply buried from view by sand and soil, so there are thousands of square miles in which even a pebble is a rarity. That our rocks are level and undisturbed is practically true. Still there are some surprisingly interesting folds and faults.
Nebraska Minerals Which Excite Common Inquiry, Erwin H. Barbour
Nebraska Minerals Which Excite Common Inquiry, Erwin H. Barbour
Conservation and Survey Division
The Minerals, Rocks, and Fossils of Nebraska, which Excite Common Inquiry, are treated brefly in leaflets numbered 37, 37a, 37b, respectively. These are intended to serve as circular letters to correspondents. Possibly they may prove to be acceptable and helpful in a measure to teachers and others who conduct parties of school children on field excursions.
A New Mount Of The Fossil Tortoise, "Testudo Orthopygia", E. H. Barbour
A New Mount Of The Fossil Tortoise, "Testudo Orthopygia", E. H. Barbour
Conservation and Survey Division
No abstract provided.
A New Sabertoothed Cat From Nebraska, Erwin H. Barbour, Harold J. Cook
A New Sabertoothed Cat From Nebraska, Erwin H. Barbour, Harold J. Cook
Conservation and Survey Division
No abstract provided.
Nebraska Minerals Which Excite Common Inquiry, E. H. Barbour
Nebraska Minerals Which Excite Common Inquiry, E. H. Barbour
Conservation and Survey Division
No abstract provided.