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- A man stands next to donkeys laden with equipment, identified as a prospector. 1
- Constructed placer mining chutes in Clear Creek Canyon. 1
- El Paso Mine in Cripple Creek. 1
- George White on right with fellow mineral collector. 1
- Long view of a mining dredge with mounds of tailing behind. Mountains are in the background. 1
- Man digging prospect pit 1
- Mining operations with housing behind. 1
- North Table mountain, zeolite collecting field trip in Golden, CO. 1 of 2 photos, see 338-37 1
- North Table mountain, zeolite collecting field trip in Golden, CO. Willard Wulff on the right, see also 338-35 1
- Printed on back "Panorama of Central City, Colorado. This famous old mining town in the "Little Kingdom of Gilpin" is the home of the Central City Opera Festival each summer." Automobiles parked along the streets appear to be from the early 1950s. 1
- Prospector with pick slung across back on a collecting trip, possibly in the Southern Tarryalll mountains. 1
- Unidentified collector digging a prospecting pit. 1
- Willard Wulff in rock quarry. 1
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