Research Notes
Research notes
Research notes
Research notes
Notebooks: Alfalfa book
Notebooks: Grasses, clovers and forage
Notebooks: Alfalfa and clovers plat: Book 2
SD Ag Experiment Station: Agronomy Department field records
Research Notebooks
Research Notebooks
Notebooks: Alfalfa's: 1911-M-1-tc
Notebooks: Grasses for 1888 and 9: Grains for 1988
Research notes
Research Notes
Research notes