Have you heard the idea that National Park trail projects require lots of worker hours because labor-saving heavy equipment can't get into these areas? Is it a good use of stimulus money?

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National Park Service employee Bill Dabney leads mules loaded with tools and supplies into the Grand Canyon on June 9. The NPS launched its largest trail reconstruction project in the Grand Canyon since the 1960's, using $10.8 million in federal stimulus funds to rehabilitate the scenic South Kaibab trail.