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POTD March 21, 2014: Butler Wash, San Juan River, San Juan County, Utah

With Spring here, we can’t wait to get back out to some of our favorite places. Here’s a bright photo for the season!

Butler Wash, San Juan River, San Juan County, Utah
Photographer: Michael Vanden Berg; © 2011

Petroglyph panel on Jurassic-age Navajo Sandstone, Butler Wash, San Juan River, San Juan County.

POTD March 14, 2014: Hovenweep National Monument, San Juan County, Utah

Have a fun and safe weekend, everyone!

Hovenweep National Monument, San Juan County, Utah
Photographer: Ken Krahulec; ©2011

Ancient Anasazi dwellings built with blocks of Cretaceous-age Dakota Sandstone at Hovenweep National Monument, southeastern San Juan County.

POTD February 28, 2014: Moki Dugway road, San Juan County, Utah

Moki Dugway road, San Juan County, Utah
Photographer: Michael Vanden Berg; ©2011

Moki Dugway road ascends 1,100 feet in about three miles connecting the valley floor to Cedar Mesa, Utah Route 261 northwest of Mexican Hat, San Juan County.

POTD February 26, 2014: Looking Glass Rock, San Juan County, Utah

Looking Glass Rock, San Juan County, Utah
Photographer: Taylor Boden; ©2011

The window of Looking Glass Rock eroded through the Jurassic-age Entrada Sandstone, northern San Juan County.

POTD February 25, 2014: La Sal Mountains, Grand and San Juan Counties, Utah

La Sal Mountains, Grand and San Juan Counties, Utah
Photographer: Mark Milligan; ©2011

Mount Tukuhnikivatz, a prominent peak in the La Sal Mountains, is an erosional remnant of magma that rose from depth (but never reached the surface) about 28 million years ago, forcing through and pushing up the area’s layered sedimentary rocks. View from the U.S. Forest Service Warner Lake guard station.

POTD February 11, 2014: Salt Creek Canyon, Canyonlands National Park, San Juan County, Utah

Salt Creek Canyon, Canyonlands National Park, San Juan County, Utah
Photographer: Martha Hayden; © 2011

Pictographs painted about 1,000 years ago on a Permian-age Cedar Mesa Sandstone cliff face in Salt Creek Canyon, Canyonlands National Park, San Juan County.

POTD February 10, 2014: Glen Canyon National Recreation Area, San Juan County, Utah

Glen Canyon National Recreation Area, San Juan County, Utah
Photographer: Don DeBlieux; © 2011

Dinosaur tracks on a block of fallen Jurassic-age Navajo Sandstone. North of the confluence of the San Juan and Colorado Rivers, Glen Canyon National Recreation Area, San Juan County.

POTD February 5, 2014: Hite Crossing vicinity, Glen Canyon National Recreation Area, Garfield and San Juan Counties, Utah

Hite Crossing vicinity, Glen Canyon National Recreation Area, Garfield and San Juan Counties, Utah
Photographer: Don DeBlieux; ©2011

Permian- and Triassic-age sedimentary rocks color the shorelines of dam-impounded Lake Powell near the confluence of the Colorado and Dirty Devil Rivers. Although the lake water has submerged numerous relicts of ancient animal (including human) and plant life, traces of prehistoric life can still be found along the lake shores and in some tributaries.

POTD January 13, 2014: Rainbow Bridge National Monument, San Juan County, Utah

Rainbow Bridge National Monument, San Juan County, Utah
Photographer: Ken Krahulec

Rainbow Bridge, carved through Jurassic-age Navajo Sandstone, is one of the largest natural bridges in the world. Rainbow Bridge National Monument, San Juan County.

GeoSights—The Goosenecks of the San Juan River, San Juan County, Utah

What in the world is a gooseneck? When it comes to describing a landform, fowl play (pun intended) may seem apparent. Even when you are standing in front of one, the answer is not obvious. Not until you get a look from above does this name start to make sense.

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