Petroglyphs near Tule Lake
Petroglyphs along the ancient shoreline of dry Tule Lake. The variety and abundance of motifs suggest a long duration of origin. The petroglyphs are obiviously younger than the high-standing lake levels of the last ice age, but the presence of horse-like figures suggest a young age as well (NPS, 2007; Swartz, 1978).
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Last modified: 12/6/2010