Public domain
Grant County, Oregon. Bureau of Mines representative taking bearing on angle of diamond drilling for chrome ore deposits
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGrant County, Oregon. Bureau of Mines representative taking bearing on angle of diamond drilling for chrome ore deposits. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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Grant County, Oregon. Bureau of Mines representative taking bearing on angle of diamond drilling for chrome ore deposits
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