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Sixth report of the United States Geographic Board: 1890 to 1932

This report contains, with the exception of a comparatively small number, all the decisions rendered by the board from its organization in 1890 through June, 1932, and supersedes all previous reports. Not included in this report are such decisions as have either been vacated, or, being revised, have been replaced by new decisions listed under the revised name or spelling.Several thousand earlier d

Some deposits of ornamental stone in Montana

No abstract available.
Authors
George Rogers Mansfield

Some lode deposits in the northwestern part of the Boise Basin, Idaho

No abstract available.
Authors
Clyde Polhemus Ross

Some mining districts of eastern Oregon

This report presents the results of a reconnaissance of most of the mining districts of Oregon east of the Cascade Range, with the exception of the districts in the Sumpter quadrangle. The districts described are distributed through an area roughly coincident with the Blue Mountains, which extend over much of the northeast quarter of the State. The geology of the Blue Mountains, except for certain
Authors
James Gilluly, J. C. Reed, C. F. Park

Some of Alpheus Hyatt's unfigured types from the Jurassic of California

Alpheus Hyatt named a considerable number of Jurassic fossils from California. Only a few of these were described, arid none were illustrated. In this paper 16 of these species are evaluated in terms of present-day nomenclature, figures of the type specimens are shown, and their probable age significance is given. Included are Monotis semiplicata (=Entolium semiplicata),Monotis symmetrica (=Entoli
Authors
C.H. Crickmay

Sources of ores of the ferroalloy metals

Since all steel is made with the addition of alloying elements, the record of the metallic raw materials contributory to the steel industry would be far from complete without reference to the ferroalloy metals. This paper, therefore, supplements two preceding arvicles on the sources of our iron ores. The photographs, with the exception of those relating to molybdenum and vanadium, are by the autho
Authors
E. F. Burchard

Summary of limnological investigations in western Lake Erie in 1929 and 1930

No abstract available.
Authors
Stillman Wright, Wilbur M. Tidd

Surface water supply of Hawaii : July 1, 1929 to June 30, 1930

No abstract available.
Authors

Surface water supply of Hawaii : July 1, 1930 to June 30, 1931

No abstract available.
Authors