Geologic Map of The Brian Head Quadrangle, Iron County, Utah (M-263dm) Floods traverse the rolling hills of

traverse the rolling hills of the Coast Ranges

You'll find the latest information about the status of national GPS systems and the emergence of GPS and dead-reckoning technology

Learn from two world renowned gemologists as they share their lifelong passion and knowledge of everything geodes

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Pages: 32 p

Geologic Map of The Brian Head Quadrangle, Iron County, Utah (M-263dm) Floods traverse the rolling hills ofBy: Peter D. Rowley, Robert F. Biek, Edward G. Sable, Jonathan T. Boswell, Garrett S. Vice, Stanley C. Hatfield, David J. Maxwell, and John J. Anderson The Brian Head Quadrangle straddles the west edge of the Markagunt Plateau and is roughly centered on Brian Head Peak, at 11,307 feet (3446 m) the highest mountain in southwestern Utah. The peak, encompassing an area of great natural beauty and recreational use, is capped by volcanic rocks that erupted