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Effects of defoliation on growth of certain conifers : a summary of research literature

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By: Church, Thomas W.

Publication info: Upper Darby, Pa, Northeastern Forest Experiment Station, [1949]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Residual stand density and the early development of northern hardwood reproduction in Upper Michigan

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By: Church, Thomas W. - Lake States Forest Experiment Station (Saint Paul, Minn.)

Publication info: St. Paul, Minn, Lake States Forest Experiment Station, 1960

Holding Institution: U.S. Department of Agriculture, National Agricultural Library