Excerpt from Northeastern Forest Experiment Station Research Paper, 1982-1983: Ne-495 to Ne-535 Habitats can be defined broadly or narrowly. For general planning purposes, habitats can be defined on the basis of soil substrate to a depth of 10 to 15 feet, general land form as interpreted from aerial photographs, and climax forest as sociation. These broad units cor respond to the ecological land types (elt) being mapped on the White and Green Mountain National For ests. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.