Horace Vaughn Winchell

2 books

Mar 1, 2012
Cover of The Lake Superior Iron-Ore Region, U.S.A.; A Paper Read Before the Federated Institution of Mining Engineers

The Lake Superior Iron-Ore Region, U.S.A.; A Paper Read Before the Federated Institution of Mining Engineers

Feb 3, 2010
Cover of The Iron Ores of Minnesota

The Iron Ores of Minnesota