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Radioactivity in the Jo Reynolds Mine, Clear Creek County, Colorado
From abstract: Eight tons of high grade pitchblende ore was sold from the Jo Reynolds mine near Lawson, Clear Creek County, Colo., in 1919. The pitchblende occurs with silver, lead, and zinc in carbonate-quartz veins cutting pre-Cambrian schist, granite gneiss, and granite.
Date:
January 1951
Creator:
King, Robert Ugstad
Object Type:
Report
System:
The UNT Digital Library
Colorado & Southern (C&S) Depot
A photograph print showing Colorado & Southern (C&S) passenger & freight depot, Idaho Springs, CO.
Date:
January 30, 1939
Creator:
George, Preston
Object Type:
Photograph
System:
The Gateway to Oklahoma History