WETMAAP Skill 3
Avery and Weeks Islands: Element 4
Skill 3: Visual Recognition
Element 4: Comparison of Topographic Quadrangles
1963/1980 1:24,000
scale USGS Weeks Topographic Quadrangle
1994 1:24,000 scale USGS
Weeks Topographic Quadrangle
Exercise:
1.
Lay the 1963/1980 Weeks Topographic Quadrangle and the 1994 Weeks Topographic
Quadrangle in front of you.
2.
The 1963 topographic map was updated with the 1980 aerial photography. How are the differences in features between the
two dates shown on the map?
4. Recognize the differences
between 1980 and 1994:
a) in roads
b) in buildings
________________________________________
c)
in water bodies on the islands