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Rubber-tiring Farm Machines
作者
Donald Kenyon Struthers / A. H. Bennett
出版1940
ISBN
UIUC:30112019565362
主題
Agricultural machinery
The 1939 Iowa Corn Yield Test
作者
A. B. Caine / C. W. McDonald / Claude H. Van Vlack / Donald Kenyon Struthers / Ellis A. Hicks / Ernest Straign Haber / Eugene Hamilton / H. B. Cheney / H. H. Beaty / Hubert Clyde Manis / J. B. Wingert / Jay Brownlee Davidson / John Albert Vieg / John Harvey Powell / Joseph Lee Robinson / Larry Creider Grove / Louis Bernard Schmidt / Marcus Stanley Zuber / R. E. Phillips / Rex Beresford / S. W. Edgecombe / A. D. Oderkirk / A. H. Bennett / George O. Hendrickson / Lester E. Clapp / W. A. Thomas
出版1939
ISBN
UIUC:30112019564118
主題
Agricultural machinery
Rubber-tiring Farm Machines
作者
Donald Kenyon Struthers / A. H. Bennett
出版1940
ISBN
UIUC:30112019565362
主題
Agricultural machinery
Geological Notes for Maps Nos. 2053 and 2054, Mado...
作者
Donald F. Hewitt
出版Toronto, Ontario : Ontario Division of Mines, Ministry of Natural Resources, 1964 (1974 printing), 1964
ISBN
UIUC:30112077498605
主題
Geology
Geological Notes for Map 2117
作者
Donald F. Hewitt
出版1966
ISBN
UIUC:30112077498589
主題
Geology
Sand and Gravel in Southern Ontario, 1967-68
作者
Donald F. Hewitt / W. R. Cowan
出版1969
ISBN
UIUC:30112112974545
主題
Gravel