REMOVE

1. Boulder

WHAT

1. Mines and mineral resou … (136)
2. Mines and mineral resour … (82)
3. Text (11)
4. business records (11)
5. index cards (11)

WHERE

1. Colorado (246)
2. Boulder County (123)
3. Gold Hill (64)
4. Ward (39)

WHO

1. United States Forest Se … (174)
2. Sanborn Map Company (87)
3. Sanborn-Perris Map Co (30)
4. Snow, Charles F. (Charle … (11)
5. Agricultural Adjustment A … (7)

WHEN

1. 1883 (2)
2. 1886 (4)
3. 1890 (7)
4. 1895 (9)
5. 1900 (14)
6. 1905 (2)
7. 1906 (20)
8. 1907 (1)
9. 1910 (21)
10. 1915 (1)
11. 1916 (2)
12. 1917 (2)
13. 1917-05-26 (1)
14. 1918 (22)
15. 1919 (2)
16. 1920 (2)
17. 1922 (24)
18. 1925 (3)
19. 1926-11-05 (1)
20. 1927-03-27/1930-02-19 (1)
21. 1928 (11)
22. 1929 (2)
23. 1930 (4)
24. 1931 (2)
25. 1932 (24)
26. 1934 (3)
27. 1935 (8)
28. 1936 (6)
29. 1936-02-24 (3)
30. 1937 (2)
31. 1937-07-16 (3)
32. 1937-07-22 (5)
33. 1937-07-23 (2)
34. 1937-08-09 (1)
35. 1937-10-09 (1)
36. 1938-05-08 (11)
37. 1938-06-27 (1)
38. 1938-06-28 (1)
39. 1938-07-02 (1)
40. 1938-10-25 (36)
41. 1938-10-26 (66)
42. 1938-10-29 (9)
43. 1940-10-09 (10)
44. 1942 (1)
45. 1943 (4)
46. 1944 (2)
47. 1944-08-09 (1)
48. 1946-08-31 (7)
49. 1946-09-10 (11)
50. 1946-09-27 (18)
51. 1946-09-29 (5)
52. 1947-12-01 (1)
53. 1949 (1)
54. 1953-03-11 (1)
55. 1959-09-01 (1)
56. 1963-09-20 (1)
57. [1836] (1)
58. [1919] (1)
59. [1939] (1)
60. [1944] (2)
61. [1950] (1)
62. Undated (80)