Jacksonville Public Library

Grand Canyon (Ariz.) -- Environmental conditions -- History

Type

http://bibfra.me/vocab/lite/Concept

Label

Grand Canyon (Ariz.) -- Environmental conditions -- History

Name

Grand Canyon (Ariz.)

Focus

Grand Canyon (Ariz.)

Sub focus

Actions

Incoming Resources

Subject of
1
- Observations of environmental change in Grand Canyon, Arizona, by Robert H. Webb, Theodore S. Melis, and Richard A. Valdez ; prepared in cooperation with Grand Canyon Monitoring and Research Center

Outgoing Resources

Focus
1
- Grand Canyon (Ariz.)
Sub focus
2
- History
- Environmental conditions