Excerpt from Natural Vegetation of Casa Grande Ruins National Monument, Arizona The monument was established in 1918. The land was never plowed during historic times, although it is currently surrounded by groundwater and river-irrigated agriculture. The boundary was fenced to protect it from livestock grazing in 1934. Decline of the water table caused the native mesquite trees to die during the 19405 (judd It is conceivable that the effects of grazing, water table decline, and possibly pesticide drift from aerial spraying of nearby cotton fields have reduced or eliminated other floral elements as well. 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.

Winner of the Society for Economic Botany's Klinger Book Award, this is the first complete ethnobotany of the Gila River Pima, presented from the perspective of the Pimas themselves.