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1
Richmond group of mines in Boulder County, Colorado leases 1939 Dec. 15
2
Marblehead mine quit claim deed 1915 Feb. 24
3
Richmond group of mines descriptions 1908-[1945]
5
Gold Hill Mining District mining claims abstracts of title report 1935 June 4
6
Richmond group of mines in Boulder County, Colorado leases 1936-1938
9
Mining claims west of Boulder (Colo.) papers [1901-1950]
10
W.B. LeVeque financial papers [190-]-1945 (bulk 1905-1925)