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Manitoba from the Air
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Description
Tonal Variations in Riding Mountain National Park

The large lake in the east 1 is Edwards Lake. In the north it is dark-toned 2 but in the southeast specular reflection can be seen 3. Waves on the lake produce a silky texture in the east 4. Other slightly lighter-toned areas 5 may result from sediment stirred up by waves or from algae growth. A small round lake 6 west of Provincial Trunk Highway (PTH) 10 7 is dark-toned and smooth textured. The photo also illustrates the use of the criterion “shadow” in identification. Coniferous trees, in addition to being dark-toned, throw triangular shadows 8 well seen close to PTH 10 that runs between Wasagaming (to the south) and Dauphin (to the north).

Figure 1.6

Tonal Variations in Riding Mountain National Park