Books by J. Fred Johnson:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Johnson, J. Fred (John Frederick), 1887-: Shaft-sinking practices and costs (U.S. G.P.O., 1932), also by E. D. Gardner (page images at HathiTrust)
Find more by J. Fred Johnson at your library, or elsewhere.