This heavily illustrated book contains descriptions and geologic interpretations of photographs (mostly aerial) illustrating the power and magnitude of repeated

Glacial Lake Missoula and Its Humongous Floods tells the gripping tale of a huge Ice Age lake that drained suddenly--not just once but repeatedly--and reshaped

In the turn-of-the-twentieth-century Northwest, the lives and passions of an American physician and her Swedish naturalist husband helped shape a territory on t

The land between Idaho and the Cascade Mountains is characterized by gullies, coulees, and deserts--in geologic terms, it is a wholly unique place on the earth.