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How to obtain soil samples for analysis
Hockensmith, R. D. (Roy Douglas)
Colorado Agricultural College. Extension Service.
1930
Colorado Agricultural College, Extension Service
Fort Collins, Colo.
Cover title. "December, 1930."
Soils Sampling
1 digital file (7 p. : ill.)
eng
Bulletin (Colorado Agricultural College. Extension Service) ; 293A
UCSU20/6.3/293-A/INTERNET
http://hdl.handle.net/10176/co:8790
706733452
2011-07-27T21:28:24.217Z