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  • "It is the purpose of this paper, through a brief review of the history of Astoria, to construct a framework of the physical history of the city, to place each published geologist in his correct historical ...
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  • Introduction -- Cones and flows of questionable recent age -- Volcanic history of the Sand Mountain Lava Field -- Eruptive rocks from Inacessible alignment and Twin Craters -- Hoodoo Butte -- History of ...
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  • A brief history of the Oregon Portland Cement Co. / F. E. McCaslin -- The age of Clear Lake, Oregon / G. T. Benson -- Oregon's lost meteorites / Erwin F. Lange.
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  • The mining of gold -- Gold placers -- Occurrence -- History of production -- Ancient placers -- Later discoveries -- Hydraulicking and dredging -- Effects of price fixing -- Gold lodes -- Occurrence -- ...
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  • The following outline of events in the rise and fall of gold mining in southwestern Oregon is here recorded - almost as an obituary - so that Oregonians may not entirely forget how important this industry ...
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  • Introduction -- Geography -- Geology -- History -- Edwards-Thomas period (1898-1933) -- Ore shipments reported by Thomas -- Alaska Juneau period (1934-1935) -- Rohlfing-Anderegg period (1940-1950) -- Rohlfing ...
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  • Introduction -- Previous investigations -- Field work -- Geologic setting -- Volcanic history of the Diamond Craters -- Cored bombs -- Conclusion -- Selected bibliography
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