Photo of the DayPOTD April 12, 2016: State Route 20, Garfield County, Utah State Route 20, Garfield County, Utah Photographer: Bob Biek; © 2015 Pinnacles eroded from Tertiary-age lava flow breccia along State Route 20, Garfield County. Related April 12, 2016 https://geology.utah.gov/wp-content/uploads/4-12-16.jpg 600 800 Utah Geological Survey https://geology.utah.gov/wp-content/uploads/ugs-logo-large.png Utah Geological Survey2016-04-12 17:54:182016-08-10 16:34:49POTD April 12, 2016: State Route 20, Garfield County, Utah