BOOKQUE

Wheat and Flour Investigations, IV
Axel Leonard Melander , Elton Fulmer , H. W. Sparks , Morgan William Evans , Roscoe Wilfred Thatcher , State College of Washington. Agricultural Experiment Station , William Hurford Lawrence , Rolla Kent Beattie
· 1911
Methods of Clearing Logged-off Lands
H. W. Sparks
· 1911
The Milling Quality of Washington Wheats: III
Amer Benjamin Nystrom , Elton Fulmer , George Severance , H. W. Sparks , R. Kent Beattie , Roscoe Wilfred Thatcher , W. D. Foster
· 1911
No image available
Report of H.W. Sparks, Supervisor of Demonstration Farms to the State College of Washington, 1912
State College of Washington. Extension Department , H. W. Sparks
· 1912
No image available
Methods of Clearing Logged-off Lands
H. W. Sparks
· 1911
No image available
The Char-pit Method of Destroying Stumps
H. W. Sparks
· 1911
No image available
Clearing Logged-Off Land and Char-Pitting Up-To-Date
British Columbia. Department of Agriculture , H. W. Sparks
· 1912
No image available
Clearing Logged-off Land and Char-pitting Up-to-date
H. W. Sparks
· 1912