(Matthew Brown | AP Photo) In this Aug. 3, 2016, file photo, a large bison blocks traffic as tourists take photos of the animals in the Lamar Valley of Yellowstone National Park in Wyo. A federal report shows visitors to Yellowstone National Park spent nearly $513 million in neighboring communities last year. The report last week from the National Park Service indicates the spending by the park's 4.1 million visitors supported nearly 7,100 jobs in the area in 2018.