Aspen Bibliography

Authors

Carl H. Tubbs

Document Type

Report

Source

U.S. Department of Agriculture, Forest Service. Research Paper NC-150, North Central Forest Experiment Station, St. Paul, Minn.

Publication Date

1977

Abstract

The forest types collectively known as "northern hardwoods" (Quigley and Babcock 1969) occupy nearly 100 million acres in eastern North America.

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