Bridges--Arizona--Grand Canyon; Rock formations; Rivers--Arizona; Canyons--Arizona;]]>
Kolb, Emery Clifford, 1881-1976]]>
Northern Arizona University. Cline Library.]]>
Navajo Bridge (Ariz.); Colorado River (Colo.-Mexico); United States Highway 89]]>
Northern Arizona University. Cline Library.]]>
Bridges--Arizona--Grand Canyon; Rock formations; Rivers--Arizona; Canyons--Arizona;]]>
Kolb, Emery Clifford, 1881-1976]]>
Northern Arizona University. Cline Library.]]>
Navajo Bridge (Ariz.); Colorado River (Colo.-Mexico);United States Highway 89]]>
Northern Arizona University. Cline Library.]]>
Bridges--Design and construction--Arizona--Grand Canyon]]>
Kolb, Emery Clifford, 1881-1976]]>
Northern Arizona University. Cline Library.]]>
Navajo Bridge (Ariz.); United States Highway 89]]>
1920-1929; 20th century]]>
Northern Arizona University. Cline Library.]]>
Bridges--Arizona--Grand Canyon; Rock formations; Rivers--Arizona; Canyons--Arizona;]]>
Kolb, Emery Clifford, 1881-1976]]>
Northern Arizona University. Cline Library.]]>
Navajo Bridge (Ariz.); Colorado River (Colo.-Mexico); United States Highway 89]]>
Northern Arizona University. Cline Library.]]>