Books by William Otis Hotchkiss
Minerals of might
The Army Specialist Corps
The Army Specialist Corps
Early days of the Erie canal--
Early days of the Erie canal--adventures in statesmanship and canal transport
Lake Superior region
Lake Superior region
Mineral lands of part of north
Mineral lands of part of northern Wisconsin
A brief outline of the geology
A brief outline of the geology, physical geography, geography, and industries of Wisconsin
Limestone road materials of Wisconsin
Rural highways of Wisconsin