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AuthorTitleDescriptionSubjectDate
1 Behle, WilliamBirds of Pine Valley Mountain Region, Southwestern Utahit has long been a practice among ornithologists to study the distribution, variation, and ecological relationships of birds in areas characterized by diverse physiographic features. Such studies are motivated usually by the desire to aid in finding solutions for the many problems concerning the di...Birds - Utah1943
2 Brox, George StanleyGeology and erosional development of Northern Bryce Canyon National ParkGeology -- Utah -- Bryce Canyon National Park; Erosion -- Utah -- Bryce Canyon National Park; Bryce Canyon National Park (Utah)1961-06
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