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Thumbnail for 'Boyle Bros. Diamond Drill'
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The Boyle Bros. diamond drill on Hole PR-3 in Upper Town, Fulford, Colorado.
Thumbnail for 'Clarence at Polar Star'
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Clarence Dubach at Polar Star camp. At right, others examine the ruins of the Boarding House. Taken July 1967.
Thumbnail for 'Clarence & his buck'
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October 1956: Clarence Dubach shows off his buck head in front of the New Cabin in Triangle Park, Fulford, Colorado.
Thumbnail for 'Examining core'
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Clarence Dubach examines a core sample with a hand lens. The photograph is dark, but it appears that he's in a barn possibly on his property.
Thumbnail for 'Tom Pearch'
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Tom Pearch looks through aladaide on a plane table, a common tool of surveyors, on New York Mountain looking south. Plane table surveying is a graphical method of survey in which the field observations and plotting are done simultaneously.