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Cattle-ranch Organization in the Mountains of Colorado
Charles Fletcher Rogers
Charles Richardson Jones
Colorado Agricultural Experiment Station
Don J. Tripp
Erwin Louis LeClerg
Ferris Milton Green
George Milton List
George Shealy Langford
Gunnar Sigesmund Klemmedson
Herbert Christian Hanson
Nellie Esther Goldthwaite
Raymond Terry Burdick
Whitney Coombs
William E. Code
William Parker Headden
Carl C. Gentry
Hazen Bascom Pingrey
Martin Reinholt
出版
Colorado Agricultural College, Colorado Experiment Station
, 1929
URL
http://books.google.com.hk/books?id=ODsYiLXemhkC&hl=&source=gbs_api