Field Guide to Pacific NW and No. California Geology
Ancient volcanoes
1 Canyons
Mount Rainier
Oregon's Ancient Volcanoes: Smith Rock, Painted Hills, Clarno Volcanics
Blue Mountains & Wallowas
Central Cascade Volcanoes: Hood, Jefferson, 3 Sisters, Adams, & Mt St Helens
OWYHEES & JORDAN CRATERS
COAST
Lostine River and its trails