Michael Collier
Land Lines-
The world’s largest ponderosa pine forest stretches across higher elevations from the San Francisco Peaks to the Arizona/New Mexico border. But in the last century, human intervention has threatened its health. -
If you stand at the brink of Toroweap Overlook and toss a penny into the Grand Canyon, the falling coin would hit the Colorado River two minutes later. If… -
Look at this–a crinoid stem. How can this be? A sea-floor fossil perched at 9000 feet in a volcanic field that stretches for miles in every direction?Just… -
When geologists see a straight line running across a landscape, they get suspicious. Straight lines don’t happen by accident; they usually mean something.… -
The cool pine-scented air of the Kaibab Plateau at 8,000 feet is a respite on a hot day. You might want to stop at Jacob Lake Lodge for one of the best… -
At Navajo National Monument up in northeast Arizona, soaring rock alcoves provided shelter for Pueblo people in the thirteenth century. Many alcoves also… -
Montezuma Well is easy to find down in the Verde Valley–it’s located right at the intersection of geology and biology. The blue-green pool–120 yards wide,… -
Here’s some of that grey rock, it’s coming down the channel – your first clue. It’s all about discovery …..Twenty-five years ago, I parked near Black… -
Don't try the Kelly Grade in a rainstorm. When this steep stretch of the Smoky Mountain Road is wet, its mud surface is impossibly slick. Stay in granny… -
Every month this fall, KNAU has been taking you to places on the Colorado Plateau. They may be places you know, they may be places you've only heard of.…