|
Container
|
Title
|
|
Subseries: Rock Drill and Mining
|
|
|
Correspondence, circa 1851-1890
|
|
|
Box
2
Folder
6
|
Rock Drill, circa 1851-1890
|
|
|
Box
3
Folder
2
|
Colorado Gold Rush Journey, 1851
|
|
|
Box
2
Folder
7
|
French Patent Materials, 1857
|
|
|
Box
3
Folder
3
|
Diagrams and Plans, undated
|
|
