101 American Geo-Sites you've gotta see Colorado desert plant life Candid shots were possible with

Candid shots were possible with hand-held cameras and fast film

Hike trails out to mesas and extinct volcanoes

and folded within its 3

448-mile length from Chicago to L

The key to this transformation has been expanded access to water from the Eastern Sierra

101 American Geo-Sites you've gotta see Colorado desert plant life Candid shots were possible withRocks racing across a lakebed in Death Valley. Perfectly preserved 36 million year old tsetse flies in Colorado. Dinosaur trackways cemented into ancient floodplains in Connecticut. A gaping rift in the Idaho desert. What do these enigmatic geologic phenomena have in common? Besides initiating a profusion of head scratching over the years, these sites of geologic wonder appear side by side, for the first time, in a single publication.