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Articles 451 - 454 of 454
Full-Text Articles in Physical Sciences and Mathematics
The Development Of Our Natural Resources, E. H. Barbour
The Development Of Our Natural Resources, E. H. Barbour
Conservation and Survey Division
No abstract provided.
Coal In Nebraska, Roy V. Pepperberg
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.
Evidence Of Loess Man In Nebraska, Erwin Hinckley Barbour
Evidence Of Loess Man In Nebraska, Erwin Hinckley Barbour
Conservation and Survey Division
Unconsciously or otherwise an investigator is often influenced to see that which seems confirmatory rather than that which is contradictory to his conceptions and beliefs. But in conducting the search for evidence of human remains in the Pleistocene the writer has striven against this psychological tendency and has aimed to be severely critical and exact.
Report Of The State Geologist, Erwin H. Barbour
Report Of The State Geologist, Erwin H. Barbour
Conservation and Survey Division
No abstract provided.