| At mile marker #36, the visitor can explore fossil beds in the Deep Creek area of the trail. The Center of Northwest Anthropology at Washington State University conducted an archaeological survey at the site, uncovering evidence of life dating back 11,000 years. The study determined that civilizations past used the Spokane River for transportation, a food source, and a place of gathering. | | • Douglas Fir
• Ponderosa Pine
• Alder
• Apple
• Maple
• Paintbrush
• Rose
• Berries
• Ferns
• Poison Oak
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