Corn Wheat Oil Timber
Nevada Idaho Washington California
Lake Tahoe Lake Michigan Pend Oreille Crater Lake
Interstate 90 Interstate 84 Interstate 40 Interstate 5
Copper Canyon Cedar Creek Canyon Hells Canyon Grand Canyon
Salem Medford Portland Eugene
Beaver State Buckeye State Hawkeye State Badger State
3.6 million 1.36 million 13.6 million 360 000
Snake River John Day River Deschutes River Willamette River
Columbia River Yukon River Red River Colorado River