In 1956, members of the Black Hawk Hiking Club went to the Great Sand Dunes National Monument, Lake City, and the Colorado National Monument in Colorado.

The 37th Big Hike slides document the Black Hawk Hiking Club's trip to Colorado in 1956.

The 37th Big Hike slides document the Black Hawk Hiking Club's trip to Colorado in 1956. These slides were created by Oliver Burkhart.

On their annual trip in 1957, members of the Black Hawk Hiking Club visited Three Forks National Park, the Grand Tetons, and Yellowstone National Park in Wyoming; as well as the Black Hills, the Badlands, and Devils Tower in South Dakota.

On the 39th Big Hike in 1958, the Black Hawk Hiking Club went to Dinosaur National Monument in Utah.

The 39th Big Hike slides document the Black Hawk Hiking Club's trip to the Green River and Uinta Mountains in 1958.

9 foam core signs containing statistics and achievements of the Edgerton Women's Health Center, presumably displayed during the clinic's 40th anniversary events.

In 1959, the Black Hawk Hiking Club traveled to the San Juan Wilderness Area, Durango, and Mesa Verde National Park in Colorado; as well as Arches National Park in Utah.

The 40th Big Hike slides document the Black Hawk Hiking Club's trip to the San Juan Mountains, Colorado in 1959.

For their 41st Big Hike, members of the Black Hawk Hiking Club trekked to the Oregon coast, Humboldt National Park in California, and Crater Lake National Park in Oregon.