Bulletin


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Gilsonite Veins of the Uinta Basin, Utah


Book Description

Previous studies have shown the Escalante Valley, Utah, is subsiding due to groundwater withdrawal. The magnitude and spatial pattern of this cm/yr.-scale subsidence is mapped with satellite data from a synthetic aperture radar (SAR) using interferometric SAR (InSAR) processing techniques.




From Clovis to Comanchero


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Springs of Texas


Book Description

This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general characteristics of springs - their physical and prehistoric settings, their historical significance, and their associated flora and fauna.




Easy Field Guide to Southwestern Petroglyphs


Book Description

Guide to petroglyphs in Arizona, Utah, Colorado, and New Mexico. Concise information about how, when, where, and why petroglyphs were made.