Study finds injuries and death per person rose after national park began to restrict access
from Latest News from Science Magazine https://www.sciencemag.org/news/2019/05/permits-were-supposed-make-climbing-yosemite-s-half-dome-safer-they-made-things-worse
from Latest News from Science Magazine https://www.sciencemag.org/news/2019/05/permits-were-supposed-make-climbing-yosemite-s-half-dome-safer-they-made-things-worse
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