All Publications
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The Upper Cretaceous floras of Alaska, with a description of the plant-bearing beds
No abstract available.
Authors
Arthur Hollick, G. C. Martin
Water-power resources of the Umpqua River and its tributaries, Oregon
No abstract available.
Authors
B. E. Jones, H.T. Stearns
Paleontological monographs of the National Geological Surveys
No abstract available.
Authors
Henry Fairfield Osborn
The volcanic history of the San Juan Mountains, Colorado
The San Juan Mountains, which are made up chiefly of volcanic rocks, are located in southwestern Colorado and occupy a rudely circular area of over 10,000 square miles, or larger than the state of Massachusetts. They have been studied and mapped geologically by the United States Geological Survey, chiefly by field parties under Whitman Cross and Esper S. Larsen.
Authors
Esper S. Larsen
A preliminary report on the growth of the rock bass, Ambloplites rupestris (Rafinesque), in two lakes of northern Wisconsin
For several years the Wisconsin Geological and Natural History Survey has been making a limnological study of lakes in the northern part of the State. Because of the fact that so much has been learned of the physical, chemical and biological conditions in these lakes, the region seems particularly favorable for a study of the growth rates of fishes in relation to environmental factors.
Authors
Stillman Wright
A study of ground water in the Pomperaug Basin, Connecticut, with special reference to intake and discharge
No abstract available.
Authors
O. E. Meinzer, Norah Dowell Stearns