68—Water
Map Unit Setting
General location: Crater Lake
Landform: Caldera lake
Geomorphic position: Lakes in the volcanic
caldera and in a few scattered small depressional areas
Major land resource area (MLRA): 3
Elevation: 4,700 to 6,200 feet
Average annual precipitation: 50 to 70 inches
Average annual air temperature: 38 to 42 degrees F
Map Unit Composition
Water: 100 percent
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