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Twenty-Sixth Annual Report of the Director of the United States Geological Survey, 1904-1905
IntroductionRemarks on the work of the yearBranches of workThe United States Geological Survey was created in 1879 for the purpose—as its name implies—of examining and reporting on the geologic structure and mineral resources and products of the national domain. To the adequate description of geologic formations and structure cartography is essential, and Congress early recognized this fact by mak
Authors
Charles D. Walcott
Underflow tests in the drainage basin of Los Angeles River
No abstract available.
Authors
Homer Hamlin
Underground waters of eastern United States
The present paper is a brief summary of the underground water conditions in eastern United States, prepared to meet the demands of drillers and others for information relating to the general water resources of the various States or of specified regions.The detail with which the several regions or subjects are discussed depends mainly on their relative importance, although because of the greater am
Authors
Myron L. Fuller
Zinc and lead deposits of northwestern Illinois
Zinc and lead minerals are found in two widely separated districts in Illinois. One of these occurs in the extreme southern portion of the State and includes portions of Hardin, Pope, and Saline counties. It forms part of the Kentucky-Illinois fluorspar, lead, and zinc field, and for convenience may be referred to as the Southern Illinois district. The other occurs in the- extreme northwestern por
Authors
Harry Foster Bain
A biological reconnaissance of the base of the Alaska Peninsula
No abstract available.
Authors
Wilfred H. Osgood