| http://www.w3.org/ns/prov#value | - Rock climbing has also become increasingly popular within the park, with more than 1,600 established climbing routes. ???With an increase in hikers, climbers, and other visitors, the National Park Service needed to study the impacts to the cliff areas,??? Smaldone said. ???Certain vegetative communities and rock outcrops are known to be susceptible to human interaction.
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