Who Were The Culvers Of Yellowstone? February 20, 2017 Mattie Culver’s Grave. Photo by Mike Cline. This is the story of a family who lived and worked in Yellowstone National Park in the 1880’s when the majority of our country was just beginning to discover the wonders of the Park. The members of this family are Ellery Channing Culver, his wife, Mattie Shipley Culver Read More… from Who Were The Culvers Of Yellowstone?