Men in suits and hats examine a machine identified as the General Electric Moisture Indicator in a room connected with the Carlton Tunnel in Teller County, Colorado. Signs hang on the wall and read: "This Plant is Making Material Essential to the...
Teller County (Colo.)--1940-1960.; Measuring--Colorado--Teller County--1940-1960.; Scientific equipment--Colorado--Teller County--1940-1960.
Index originally created by Henrietta Bromwell in 1933 of 31,000 items regarding biographies and portraits of politicians, miners, club women, newspaper editors, artists, businessmen, legislators, early settlers, settlements, mines, geographical...
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