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Casa Grande Ruins National Monument
Outlines the archaeology and history of the Hohokam ruins in Coolidge, Arizona, along with an account of their preservation and the establishment of the monument.
Natural Vegetation of Casa Grande Ruins National Monument, Arizona (Classic Reprint)
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 ...
Enduring Seeds
As biological diversity continues to shrink at an alarming rate, the loss of plant species poses a threat seemingly less visible than the loss of animals but in many ways more critical. In this book, one of America's leading ethnobotanists warns about our loss of natural vegetation and plant diversity while providing insights into traditional Native agricultural practices in the Americas. Gary Paul Nabhan here reveals the rich diversity of plants found in tropical forests and their contribution to modern crops, then tells how this diversity is being lost to agriculture and lumbering. He then relates "local parables" of Native American agriculture—from wild rice in the Great Lakes region to...
