Two major seaports, Coos and Astoria, are found in which region of Oregon?

The Alvord desert (driest place in Oregon) is found in which region?

Which of the following regions does NOT have a lot of trees to support the lumber industry of Oregon?

Which region is the major grain growing region in Oregon?

Which of the following regions contains many interesting geological sites, including Fort Rock and Hole in the Ground?

Which region in Oregon was created through divergent extension of plates, creating north-south fault-block mountain ranges that alternate with basins (some containing lakes)?

What region has the highest density of streams in the state?

Which of the following regions rely on timber as a major industry?

Which of the following regions rely on mining as a major industry?

Coast range ecology is primarily...

The Coast Range experiences ________ temperatures due to it's proximity to the ________.

Fisheries, including shellfish, are particularly important industries in what region?

Major Rivers of the Klamath Mountains include

Major Rivers of the Willamette Valley include

Which region has the most diverse conifer species?

Which region is the most populated with human inhabitants?

Willamette Valley ecology was historically...

Which of the following is NOT a city in the Willamette Valley?

What is the major community in the Cascades?

Tall volcanoes that run the length of the state creating a border between western and eastern Oregon are called the ...

Eagle Cap Wilderness, the largest wilderness area in Oregon, is found in what region?

Oregon's only national park, Crater Lake National Park, is found in the

What two cities are part of the Klamath Mountain Region?

Which eastern Oregon region is a major dairy region?

This remote region of Oregon is characterized by a lava plateau with steep walled canyons. Sage brush, juniper, and grasses dot the landscape.

Supported by an irrigation project out of Vale, Treasure Valley is a fertile agricultural area found in what region?

What city is found in the Owyhee Uplands?

Many closed-basin lakes, like Klamath Lake, Summer Lake, and Lake Abert, are found in what region?

Which eastern Oregon region has experienced a lot of population growth recently, in part due to the recreation opportunities in the area?

What region is considered the driest in Oregon, receiving less than 10 inches precipitation on average?

Strawberry, Wallowa, and Elkhorn are all mountain ranges that make up this region...

Bordering the Columbia River, which region has many wind farms and hydroelectric dams?