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1
Boston and Colorado Smelting Company (Boulder, Colo.) assayer's receipts 1878-1879
2
Expense receipts, A-L 1875-1879
3
Incoming correspondence (from within Colorado), M-Z 1871-1879
4
Expense receipts, M-Z 1875-1879
5
H. G. Angle correspondence 1877-1878
6
J. Alden Smith, Incoming correspondence (from within Colorado), G-L
7
J. Alden Smith papers 1857-1901
8
Incoming correspondence (from outside Colorado), G-L 1870-1879
9
American Consolidated Gold and Silver Mining Company Financial records 1877-1879
10
American Consolidated Gold and Silver Mining Company cancelled checks 1875-1877
11
Incoming correspondence (from outside Colorado), A-F 1865-1879
12
Incoming correspondence (from outside Colorado), T-Z 1865-1889
13
American Consolidated Gold and Silver Mining Company telegrams 1875-1877
14
C. Burnham correspondence 1879
15
Incoming correspondence (from within Colorado), A-F 1871-1879