The iron ores of Minnesota :
their geology, discovery, development, qualities and origin, and comparison with those of other iron districts /
by N.H. Winchell and H.V. Winchell.
Description
Viewability
| Item Link | Original Source |
|---|---|
| Full view | University of Michigan |
| Full view | University of Michigan |
| Full view v.6(1891) | University of Illinois at Urbana-Champaign |