Page:Cassier's Magazine Volume XV.djvu/33

From Wikisource
Jump to navigation Jump to search
This page has been validated.
MINE TIMBERING IN THE UNITED STATES.
21

SOME LARGE TIMBERS.

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Cassier%27s_Magazine_Volume_XV.djvu/33&oldid=11014881"