In descending order, by date published.
3/15/2002 (reprinted)
Authors: Tom Priddy
Departments: 4-H Programs, Biosystems and Agricultural Engineering
Series: 4-H Natural Science: Ecology and Environment (4DA series)
Size: 2.64 mb
Pages: 12
4/2/1980 (new)
Authors: George Duncan, Tom Priddy
Departments: Biosystems and Agricultural Engineering
Series: Interdepartmental (ID series)
Size: 7 kb
Pages: