Articles:

Parker Davies Trask and C. C. Wu

Analyses of oil and gas from distillation of recent sediments
Economic Geology 1930 25: 235-241. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

George Alfred Thiel

Experiments bearing on the biochemical reduction of sulphate waters
Economic Geology 1930 25: 242-250. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

George Burwash Langford

Beardmore- Nezah gold area, Ontario
Economic Geology 1930 25: 251-269. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

Joseph Desire Hubert Donnay

Thinned polished sections; a new technique for the investigation of ores in thin slices
Economic Geology 1930 25: 270-274. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

George Melvin Schwartz

The Tin Mountain spodumene mine, Black Hills, South Dakota
Economic Geology 1930 25: 275-284. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

R. D. Hoffman

Zoning in Michigan copper deposits [discussion]
Economic Geology 1930 25: 285-286. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

John Frank Wright

The Sherritt-Gordon copper-zinc deposit, northern Manitoba [discussion]
Economic Geology 1930 25: 286-289. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

Edwin Butt Eckel

Boxwork siderite; an analogous occurrence of silica and chrysocolla [discussion]
Economic Geology 1930 25: 290-292. [Citation/Abstract] [Order Hardcopy of Full Text via AGI/GeoRef]  

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