SALT LAKE CITY (AP) — A series of graffiti-like paintings on rocks in National Parks across the West set off a furor on social media this month, angering people who say they desecrated some of the nation's most famously picturesque landscapes. Workers test different chemicals to figure out which will loosen the material without damaging rock, then rinse it off with lots of low-pressure hot water, gently scraping each layer away with the spatula, said National Parks spokesman Jason Olson. Zion National Park is home to red-rock bluffs, sweeping canyons— and now a backpack-sized drawing of a woman smoking on a rock near a trail named for emerald-colored pools of water. Sandblasting the structure originally built in 1902 to provide water for cattle could cause microscopic cracks, damaging the surface and creating a home for water and bacteria that cause more damage. In some cases, graffiti near ancient petroglyphs or pictographs is nearly impossible to remove and rangers have to leave it.
Painted Faces At Parks Need Painstaking Removal
By LINDSAY WHITEHURST, Associated Press, Seattle Post-Intelligencer: Living
Fri, 10/31/2014 - 3:10pm
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