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Table 1. Mean annual temperatures from weather stations in the vicinity of
Table 2. Ground temperatures for drill holes in the vicinity of Crater Lake
projecting temperature versus depth to the surface.
Table 3. Data for springs in the vicinity of Crater Lake obtained 18-28 August
Table 4. Calculation of chloride flux from the springs of the Wood River group.
Figure 1. Map of southern Oregon showing locations of weather stations, drill
to determine average ground temperatures, and outline of map of Figure 3.
Figure 2. Mean annual air temperatures and average ground temperatures versus
for locations given in Figure 1.
Figure 3. Map of Crater Lake and vicinity showing spring locations with special
for the Wood River group (diamonds) and the Cedar Spring group (triangles).
Figure 4. Elevation versus temperature for springs in the vicinity of Crater
line shows water temperature versus elevation for Crater Lake for 19 June 1971
data of Neal and others (1972).
Figure 5. Specific conductance versus temperature for springs in the vicinity of
Lake. Line was fitted by eye to show trend.
Figure 6. Elevation versus specific conductance for springs in the vicinity of