Michael Collier

Volcanoes of Northern Arizona: Sleeping Giants of the Grand Canyon Region (Grand Canyon Association)

Michael Collier

$6.49

Over the Mountains (An Aerial View of Geology)

Michael Collier

$5.19 - $6.19

A Land in Motion: California's San Andreas Fault

Michael Collier

$5.29 - $5.99

White Sands National Monument

Michael Collier

$5.79

Over the Rivers (An Aerial View of Geology)

Michael Collier

$9.49 - $11.29

Sculpted by Ice: Glaciers and the Alaskan Landscape

Michael Collier

$7.59

Over the Coasts: An Aerial View of Geology

Michael Collier

$8.69 - $10.39

An Introduction to Grand Canyon Geology

Michael Collier

Out of Stock

Water, Earth, and Sky: The Colorado River Basin

Michael Collier

$8.19 - $9.29

The Melting Edge: Alaska at the Frontier of Climate Change

Michael Collier

$12.79

Dams and rivers: A primer on the downstream effects of dams (U.S. Geological Survey circular)

Michael Collier

$10.59

Floods, Droughts, and Climate Change

Michael Collier

$8.49

The geology of Denali National Park

Michael Collier

$6.99

Arizona: A View from Above

Michael Collier

$5.39 - $6.49

The Mountains Know Arizona: Images of the Land and Stories of Its People

Michael Collier

$6.59 - $7.79

Introduction to the Geology of Death Valley

Michael Collier

Out of Stock

Black Canyon of the Gunnison National Monument

Michael Collier

Out of Stock

The Geology of Capitol Reef National Park

Michael Collier

Out of Stock

Homeland

Michael Collier

Out of Stock

Damming Grand Canyon: The 1923 Colorado River Expedition of the U.S. Geological Survey

Michael Collier

Out of Stock