View of Colorado Gold Dredging Company Bucyrus-built bucket-line hydraulic mine and processing boats, in the Swan River at Valdora, Summit County, Colorado. Tailings are piled between them; buildings are in the background.
View of a Reliance Gold Dredging Company Bucyrus-built hydraulic placer gold bucket-line dredge in Swan River, French Gulch, Summit County, Colorado. Colorado School of Mines students and miners pose on the vessel.
Reliance Gold Dredging Company--1900-1910.; Dredges--Colorado--Summit County--1900-1910.; Mining machinery--Colorado--Summit County--1900-1910.; French Gulch (Summit County, Colo.)--1900-1910.; Summit County (Colo.)--1900-1910.; Swan River...
Display a larger image and more item information when the pointer pauses over a thumbnail
Thumbnail with title
Grid with smaller thumbnails and more detail
Select the collections to add or remove from your search