| | Bill Williams River National Wildlife Refuge | | With its majestic rock cliffs; its ribbon of cool water running through classic Sonoran Desert; and its cattail-filled marsh harboring rails and waterfowl, the Bill Williams River National Wildlife Refuge offers a little bit of everything for both wildlife and people. | |
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| | Havasu National Wildlife Refuge | | This wildlife refuge consists of two units. The largest is Topock Gorge, south of the junction of Interstate 40 and the Colorado River; it is accessible only by boat or on foot. | |
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