SP-399 SKYLAB EREP Investigations
Summary
FIGURE 6-25.-Alternative models for
exploitation of the central Arizona area by prehistoric
civilizations. The organizational schemes define alternatives for
social and natural utilization of the area during the period 1000 to
1400 A.D. The models (not to scale) indicate consideration of
environmental parameters such as relative areal position, elevation,
slope, surface materials, and water availability. (a) Model 1. (b)
Model 2. (c) Model 3. (d) Model 4. (e) Model 5. (f) Model 6.
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