View of the Derry Ranch, a placer mine located in Lake County, Colo. Gold was discovered early in this location in the 1870s and the area was land dredged periodically until the 1950s.
Derry Ranch (Lake County, Colo.)--2000-2010.; Abandoned gold mines--Colorado--Lake County--2000-2010.; Lake County (Colo.)--2000-2010.; Derry Ranch (Lake County, Colo.)--Pictorial works.; Abandoned gold mines--Colorado--Lake County--Pictorial...
mortars and amalgamated with the gold in the ore. The stamps were periodically stopped and the amalgam was retrieved and then sold to banks or the mint.; The interior of a stamp mill, possibly the Iron City Stamp Mill in Blackhawk, Colorado, shows...
Ore-dressing plants--Colorado--Blackhawk--1870-1910.; Ore-dressing--Colorado--Blackhawk--1870-1910.; Blackhawk (Colo.)--1870-1910.; Gilpin County (Colo.)--1870-1910.; Gold mining--Colorado--Blackhawk--1870-1910.
Newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
East High School (Denver, Colo.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)
An index produced by the Colorado Genealogical Society pertaining to the recognized settlers of Colorado. Information for each individual include, date and place of birth, date and place of death, date of arrival in Colorado,
Society of Colorado Pioneers--Indexes.
1990
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