84 resultados para Douglas

em University of Michigan


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"Study made under a fellowship awarded by the Charles Lathrop Pack forestry foundation."

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"Embodies the results of a three-year study ... under a grant from the Charles Lathrop Pack forestry foundation ... [The] purpose is to bring together a body of knowledge regarding the inventory factors of timber stands and to outline a procedure for studying them."--Introd.

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At head of title: State of Illinois. Department of registration and education. Division of the state geological survey.

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"Conf-7608116. UC-11."

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Mode of access: Internet.

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Bibliography: p. 6-7.