Excerpt from Primary Forest Products Industry and Timber Use, Iowa, 1972 Cottonwood saw log production climbed 55 percent from 1969 to million board feet in 1972. This species was used mainly for pallets, boxes, and crating. Output of elm saw logs was million board feet, about the same as in 1969. Many trees were salvaged after infection by Dutch Elm Disease, a serious killer of elm in the Midwest. 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.