Geologic Map of The Brian Head Quadrangle, Iron County, Utah (M-263dm) Floods Shading on the map is

Shading on the map is more than an artistic flourish

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

Since the late 1800s

Pages: 32 p

Geologic Map of The Brian Head Quadrangle, Iron County, Utah (M-263dm) Floods Shading on the map isBy: 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