WETMAAP Skill 3
Texas City/Virginia Point: Element 3

Skill 3: Visual Recognition
Element 3: Comparison of Photo Overlay with Map analysis

Materials:

1950's NWI colored habitat overlay

1979 NWI colored habitat overlay

1989 NWI colored habitat overlay

1992 NWI colored habitat overly

1992a Aerial Photograph with the photo interpretation overlay

Exercise:

1. Visually compare the overlays prepared for the NWI maps with the 1992a habitat map that you have developed.

2. List any observed differences.

3. Visually compare the 1992 NWI colored overlay of maps with the 1992a photo interpreted overlay that you have prepared.

4. List any observed differences

5. What do you believe the reason(s) for the differences that you have observed?