Some Mining Districts of Eastern Oregon (open access)

Some Mining Districts of Eastern Oregon

From abstract: 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.
Date: 1933
Creator: Gilluly, James; Reed, J. C. & Park, C. F., Jr.
System: The UNT Digital Library
Geology and Coal, Oil and Gas Resources of the New Kensington Quadrangle, Pennsylvania (open access)

Geology and Coal, Oil and Gas Resources of the New Kensington Quadrangle, Pennsylvania

From abstract: This report is one of a series of publications by the United States Geological Survey on the Appalachian coal, oil, and gas fields. The area described occupies 227 square miles in Allegheny, Butler, and Westmoreland Counties, in western Pennsylvania, immediately north of Pittsburgh.
Date: 1932
Creator: Richardson, G. B.
System: The UNT Digital Library
Geology and Oil Resources of the Elk Hills, California: Including Naval Petroleum Reserve Numbers 1 (open access)

Geology and Oil Resources of the Elk Hills, California: Including Naval Petroleum Reserve Numbers 1

From introduction: The purpose of this report is to describe the geology of the Elk Hills and the occurrence of the oil and gas, to trace the movements of oil, gas, and water in the developed areas, and to discuss the oil possibilities of the undeveloped parts. The history of the field and its production also are set forth.
Date: 1932
Creator: Woodring, W. P.; Roundy, P. V. & Farnsworth, Howard R.
System: The UNT Digital Library