8000

• UCREFRP Catalog Number: 8000
• Author: Werth, L. F., et al.
• Title: Developing a Geographic Information System for Resources Monitoring on the Colorado River in the Grand Canyon.
• USFW Year: 1993.
• USFW - Doc Type: R-93-20,
• Copyright Material: NO

in the field for identifying defined classes.
16
Figure 9. - The 1:2,400 scale CIR photography used
Figure 10. - A sample of the orthophoto grid.