earth notes

Emery Kolb, USGS Photographic Library

In 1923, the U.S. Geological Survey sponsored its first expedition on the Colorado River in Grand Canyon. The crew of 12 men was led by topographic engineer Claude Birdseye. Eugene LaRue was hydraulic engineer and chief photographer, and Emery Kolb was head boatman. 


UA/USFWS

People rightly think of the jaguar as a resident of rainforest and jungle. But the secretive spotted cat is also native to the Southwest, including Arizona and New Mexico, and was confirmed during the twentieth century as far north as the Grand Canyon and Gila Wilderness. 


Elizabeth Barrett, Animalphotos.me

Summer bird life is in full swing in the pine forests of northern Arizona. But back in the 1800s there was a colorful, noisy addition to the scene – parrots.


Peter Friederici

From the Monopoly board to the suburban mall, free parking is one of those American ideals that no one can get enough of. Or so it seems. But in fact parking doesn’t come free, even when there’s no meter or permit requirement in sight.


Each summer, wildfire scorches western forests, leaving millions of charred trees in its wake. Often logging trucks are not far behind, moving in to harvest the dead trees.


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