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SP-399 SKYLAB EREP Investigations Summary

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FIGURE 3-9.-Low-altitude-aircraft photographs of the Uncompahgre Plateau area in Colorado used for vegetative mapping. (a) Spruce, fir, and grassy parks atop the Uncompahgre Plateau, with some aspen patches intermixed. (b) Formation between mountain meadows, aspen, spruce, fir, and the timberline. (c) Color-infrared aerial oblique photograph showing spruce/fir timberline. (d) Color-infrared aerial photograph showing the boundary between aspen and spruce/fir.

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