Home / National Park Service Exhibits / Grand Canyon National Park (GRCA) / History / Entrepreneurs 35
- Field Binoculars, Alternate View
- Field Binoculars
- Emery Kolb's Camera, Side
- Emery Kolb's Camera, Detail
- Emery Kolb's Camera, Detail
- Emery Kolb's Camera, Top Detail
- Emery Kolb's Camera, Label
- Emery Kolb's Camera, Front
- Emery Kolb's Camera, Alternate View
- Emery Kolb's Camera
- Mary Colter, ca. 1931
- Fred Harvey Jr., 1932
- Construction of the Desert View Watchtower, 1932
- Kolb Brothers, ca. 1904
- Verkamp's Curio Tent, ca. 1897