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Surface water supply of the United States, 1918, Part IV, St. Lawrence River basin
No abstract available.
Authors
The American species of Orthophragmina and Lepidocyclina
Orbitoid Foraminifera, on account of their short stratigraphic range, have proved to be excellent horizon markers, and, because of their wide geographic distribution, they are valuable in correlation. The genus Orbitoides, as now restricted, is found exclusively in deposits of Cretaceous age, Orthophragmina appears to be confined to the Eocene; but Lepidocyclina ranges through the upper Eocene an
Authors
J.A. Cushman
The iron and associated industries of Lorraine, the Saare district, Luxemburg, and Belgium
No abstract available.
Authors
Alfred H. Brooks, Morris F. La Croix
The Sunset-Midway oil field California: Part 1, Geology and oil resources
No abstract available.
Authors
R. W. Pack
Water supply of St. Mary and Milk rivers, 1898-1917
No abstract available.
Authors
Benjamin E. Jones, R.J. Burley
State of Alabama and part of Georgia coal fields and producing districts
No abstract available.
A catalogue of the Mesozoic and Cenozoic plants of North America
No abstract available.
Authors
Frank Hall Knowlton