Question: The Death Valley Railroad  was a narrow gauge railroad located just east of Death Valley National Park, in what state? 
Sentence (from "Death Valley Railroad"): The Death Valley Railroad (DVRR) was a narrow gauge railroad that operated in California's Death Valley to carry borax with the route running from Ryan, California to the mines at Ryan C., located just east of Death Valley National Park, to Death Valley Junction, a distance of approximately 20 miles.
Relevant evidence: Yes