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[[image: top left]]
[[photo of mountain]]
1980. Lava flows, McKenzie Pass, Oregon.

[[image: top right]]
[[photo of mountain]]
1981. The two north sisters (Three sisters), Cascade Forest. Lava in foreground.

[[image: bottom left]]
[[photo of forest]]
1982. Lava flow in forest. Cascade Forest.

[[image: bottom right]]
[[photo of rocks]]
1983. Lava at McKenzie Pass. July, 1927.
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