Judy Slack is a lifelong resident of Big Horn. She serves as the volunteer editor of the Big Horn City Historical Society newsletter and as director of the Bozeman Trail Museum. She works to preserve pioneer family history by archiving photographs, diaries, and scrapbooks. The Elsa Spear and Henry Coffeen collections are her current focus. It has been an active community endeavor to include as many photographs as possible of early Big Horn residents, historians, and preservationists.