REMOVE

1. U.S.
2. Nell, Louis
3. Thompson, Gilbert

WHAT

1. Atlas Map (5)
2. National Atlas (4)
3. Exploration Book (1)

WHERE

1. Colorado (2)
2. New Mexico (2)
3. Arizona (1)
4. California (1)
5. Grand Canyon (Ariz.) (1)

WHO

1. Ainsworth, R.J. (1)
2. Bergland, Eric (2)
3. Birnie, G.H. (1)
4. Birnie, R. (1)
5. Birnie, R. Jr. (1)
6. Birnie, Rogers (1)
7. Blunt, S.E. (1)
8. Carpenter, F. (1)
9. Carpenter, Frank (1)
10. Carpenter, W.L. (2)
11. Clark, F.A. (1)
12. Cowles, W.A. (1)
13. Graphic Co. Photo-Lith. (1)
14. Griffin, E. (1)
15. Hamel, P.W. (1)
16. Lang (1)
17. Marshall, W.L. (1)
18. Marshall, Wm. L. (1)
19. Maxson, F.O. (3)
20. Morrison, C.C. (2)
21. Nell & Franke (1)
22. Price, P.M. (1)
23. Russell, A.H. (1)
24. Sommer, E.J. (2)
25. Spiller, J.C. (1)
26. Tillman, S.E. (1)
27. Walbridge, W.G. (1)
28. Weyss, John E. (1)
29. Weyss, Lang & Herman (1)
30. Weyss, Nell & Rock (1)
31. Weyss, Rock & Vell (1)
32. Wheeler, G.M. (5)
33. Whipple, C.W. (2)
34. Young, Willard (1)

WHEN

1. 1876 (4)
2. 1875 (1)
3. 1878 (1)
4. 1881 (1)
5. 1882 (1)