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10,000 years at Hueco Tanks State Park and Historic Site, El Paso County, Texas
Ten thousand years at Hueco Tanks State Park and Historic Site, El Paso County, Texas
xv, 434 pages : illustrations (some color), maps (some color) ; 28 cm.
by Margaret Howard [and others] ; with contributions by Karen Puseman [and others].
Hueco Tanks State Historical Park (Tex.)