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Colorado Wood Prints

Green River Wood Prints

Geology Wood Prints

Erosion Wood Prints

wood prints colorado wood prints green river wood prints geology wood prints erosion wood prints aerial wood prints

photographs colorado photos green river photos geology photos erosion photos aerial photos

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In the northwest corner of Colorado, the west-flowing Yampa River meets the south-flowing Green River, which runs into Utah. Stretches of both river canyons upstream and downstream from the junction make up Dinosaur National Monument. The monument takes its name, of course, from the abundant fossils found in exposed valleys and low ridges of the Morrison Formation, a series of rock layers that were formed late in the Jurassic Period, roughly 145 million years ago. This mosaic of four astronaut photographs illustrates an approximately 47-kilometer (29-mile) section of the monument along the Yampa River in Colorado. The series of images was acquired while the International Space Station was over northeastern Nevada, about 480 kilometers (298 miles) to the west of the center of the mosaic. The oblique (taken from an angle, not straight down), eastward view provides a sense of topography due to shadows and perspective. The generally flat-lying "layer cake" geology of the region--similar to...