Location map showing the Medicine Lake volcano and Mount Shasta area of the
southern Cascade Range, northern California.
Pale green pattern indicates extent of lavas
of Medicine Lake volcano. Heavy lines are faults, with bar and ball on
downthrown side (Gay and Aune  and air photograph interpretation).
Blue line represents the 1954-1989 leveling route.
Contour interval is 1000 feet (305 meters).
-- Modified from: Dzurisin, et.al., 1991, IN: Journal of Geophysical Research, v.96, no.B10
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