Publisher's Synopsis
Excerpt from General Management Plan, Environmental Assessment: Effigy Mounds National Monument, Iowa; Draft, June 1990
The integrity of the mounds is being damaged by people and natural forces, especially at the Sny Magill unit. Endangered, threatened, or rare federal and state-listed species in the monument need protection. Cultural sites near the monument that are closely related to monument themes also need to be identified and protected.
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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.
