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Articles 143761 - 143790 of 144838
Full-Text Articles in Physical Sciences and Mathematics
"Triassic-Jurassic 'Red Beds' Of The Rocky Mountain Region": A Discussion, John B. Reeside Jr.
"Triassic-Jurassic 'Red Beds' Of The Rocky Mountain Region": A Discussion, John B. Reeside Jr.
United States Geological Survey: Staff Publications
The conclusion drawn by Professor E. B. Branson in a recent paper on the "Red Beds" of the Rocky Mountain region that parts of these beds are marine is considered likely. The conclusion that there exists no basis for subdivision of the beds is not accepted, and a division of the Mesozoic part into Lower Triassic, Upper Triassic, and Jurassic units is advocated. The conclusion that no eolian deposits are present likewise is not accepted, and the interpretation of important parts of the Jurassic unit as eolian is advocated. Disagreement is expressed with much of Professor Branson's correlation table, and …
Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden
Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden
United States Geological Survey: Staff Publications
So prominent did Thomas Chrowder Chamberlin become in the field of glacial geology that it is a matter of some interest and importance to consider what was the status of the science at the time he turned his attention, as a student and a teacher, to it. So voluminous is the literature of this subject that it is obvious that one cannot in a sketch of this kind give even a general summary of the many books and papers on the subject published in this country, even were it desirable to do so. The intention is to indicate only what …
Test 169: Case Model Cc, Nebraska Tractor Test Lab
Test 169: Case Model Cc, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: Case Model CC
TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear.
This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated.
BELT HORSEPOWER TESTS
TEST …
Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab
Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab
Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 161: Baker 43-67, Nebraska Tractor Test Lab
Test 161: Baker 43-67, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 162: Minneapolis 27-42, Nebraska Tractor Test Lab
Test 162: Minneapolis 27-42, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 156: Mccormick-Deering (Model 15-30) 22-36, Nebraska Tractor Test Lab
Test 156: Mccormick-Deering (Model 15-30) 22-36, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 164: Wallis 12-20, Nebraska Tractor Test Lab
Test 164: Wallis 12-20, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 167: Case Model C 17-27, Nebraska Tractor Test Lab
Test 167: Case Model C 17-27, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 168: Huber Model "Light Four" 20-36, Nebraska Tractor Test Lab
Test 168: Huber Model "Light Four" 20-36, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 171: Monarch Model 35, Nebraska Tractor Test Lab
Test 171: Monarch Model 35, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Outlet Pipes For Echo Dam, U.S. Department Of The Interior, Bureau Of Reclamation
Outlet Pipes For Echo Dam, U.S. Department Of The Interior, Bureau Of Reclamation
All U.S. Government Documents (Utah Regional Depository)
Specifications, schedule, and drawing of outlet pipes for Echo Dam: Salt Lake Basin Project, Utah.
Test 155: Case Model L 26-40, Nebraska Tractor Test Lab
Test 155: Case Model L 26-40, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 157: Rock Island Model G2 15-25 (Distillate), Nebraska Tractor Test Lab
Test 157: Rock Island Model G2 15-25 (Distillate), Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 158: Rock Island Model G2 18-30 (Gasoline), Nebraska Tractor Test Lab
Test 158: Rock Island Model G2 18-30 (Gasoline), Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 159: Caterpiller Model 15 15-20, Nebraska Tractor Test Lab
Test 159: Caterpiller Model 15 15-20, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 160: Caterpiller Model 10 10-15, Nebraska Tractor Test Lab
Test 160: Caterpiller Model 10 10-15, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 161: Baker 43-57, Nebraska Tractor Test Lab
Test 161: Baker 43-57, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 163: Minneapolis 39-57, Nebraska Tractor Test Lab
Test 163: Minneapolis 39-57, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 165: Four Drive Model E 15-25, Nebraska Tractor Test Lab
Test 165: Four Drive Model E 15-25, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 170: Allis Chalmers Model U (United), Nebraska Tractor Test Lab
Test 170: Allis Chalmers Model U (United), Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Advertising Brochure: Four Drive Model E, Nebraska Tractor Test Lab
Advertising Brochure: Four Drive Model E, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab
Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 155: Case 26-40 Model L, Nebraska Tractor Test Lab
Test 155: Case 26-40 Model L, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 158: Rock Island G-2, 18-30, Nebraska Tractor Test Lab
Test 158: Rock Island G-2, 18-30, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
The Mandibular Tusks Of Amebelodon Fricki, Erwin H. Barbour
The Mandibular Tusks Of Amebelodon Fricki, Erwin H. Barbour
Bulletin of the University of Nebraska State Museum
The ponderous mandible of the great shovel-tusked mastodon, Amebelodon fricki, was figured and described before it was practicable to remove the plaster cinches. In the meantime, this rare specimen has lain on its sand table awaiting the time when sections and casts could be made before mounting it permanently. A rare specimen, especially if heavy, unwieldy, and fragile, is rarely dismantled for study after it is mounted and installed in its case. A gelatine cast of the alveoli has been made, and through the assistance of Mr. Murray Jerome Roper, a cast of the left mandibular tusk has just been …
Tree Planting In Nebraska
Conservation and Survey Division
Introduction. This bulletin is planned to further the planting of trees and ornamental shrubbery in Nebraska. It is the result of cooperation between State, Federal, and University departments, and many State organizations.
The tree-planting campaign of this year (1928) is to begin early in the season and culminate in the American Forest Week (last week in April). It is a State and National movement, a welfare project worthy of the support of every citizen. The cooperation of all Nebraskans is invited.
Test 153: John Deere Gp 10-20, Nebraska Tractor Test Lab
Test 153: John Deere Gp 10-20, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: John Deere GP 10-20
TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear.
This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated.
BELT HORSEPOWER TESTS …
Test 150: Caterpiller Model 20 20-25, Nebraska Tractor Test Lab
Test 150: Caterpiller Model 20 20-25, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …