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Oil Seeps in Northern California

Indians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.

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Gold Dredgers Rescue Threatened Fish


Gold dredgers were enlisted in an effort to salvage a rare stretch of chum salmon spawning grounds along the Columbia River between Vancouver, Washington, and Portland, Oregon.

Buckhorn Mountain Project May Be Revived


The long-delayed Buckhorn Mountain gold mine project has been purchased by one of North America’s largest gold producers. Kinross Gold Corp. plans to begin mining there within two years.

Utilizing Geologic Maps


Geologic maps generally appear complex and daunting, and certainly some are. However, many have information hidden within their bright splashes of colors and patterns that can aid the prospector who takes the time to study them.

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Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Gold in North Dakota


North Dakota, 70,704 square miles in area, is situated on the Great Plains, in the geographic center of the North American continent. It is bounded on the north by Canada.

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