Vice President Biden to visit Yellowstone on Monday Posted: Friday, July 23, 2010 12:15 am | Updated: 9:59 am, Fri Jul 23, 2010. By DANIEL PERSON, Chronicle Staff Writer Vice President Joe Biden will visit Yellowstone National Park on Monday, the White House said in a written statement Friday. At 11:45 a.m. Monday, the vice president will speak to workers outside the Madison Junior Ranger Station, located just inside the park's West Entrance. He will be joined by the director of the National Park Service, Jonathan Jarvis. During his trip west, Biden will also visit Grand Canyon National Park. His...