 The ranch also hosted a number of prominent visitors, including grizzly bear biologists John and Frank Craighead during their early careers, and U.S. Supreme Court justice William O. Douglas.Olaus' publications written at the ranch include "The Elk of North America" and "A Field Guide to Animal Tracks".Adolph wrote "The Grizzlies of North America", "The Wolves of Mount McKinley" and "A Naturalist in Alaska".