Tree survival and growth on Iowa coal spoil materials
Lorio, P.L., Gatherum, G.H., Shrader, W.D.
Tree survival and growth on Iowa coal spoil materials - Iowa 1964 - 1-12 p. - Iowa Agricultural Experiment S .
Tree survival and growth on Iowa coal spoil materials - Iowa 1964 - 1-12 p. - Iowa Agricultural Experiment S .