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Garry Hayes
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A lot of you pointed me toward Rachel Maddow’s segment wherein she compares the aftermath of the May 18, 1980 eruption of Mount St. Helens with the aftermath of the Iraq War. Even if you hate politics and are sick to death of all mention of the war, watch…
A lot of you pointed me toward Rachel Maddow's segment wherein she compares the aftermath of the May 18, 1980 eruption of Mount St. Helens with the aftermath of the Iraq War. Even if you hate polit...
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In a direct sense, there was an intelligence failure - from the Executive Branch, not the intelligence community.
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Garry Hayes

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A nice place to see the world for the first time....
I was picking someone up at Sacramento Airport today, which gave me a chance to stop and wander a little at the Cosumnes River Preserve between Stockton and Sacramento.  Maybe this is a bureaucratic nightmare, but the preserv...
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Some colorful birds are arriving in the Yosemite high country
The high country of Yosemite National Park is just beginning to come into spring. The snow melted early and the spring will be short, but the woods are starting to come alive with bird songs. We took a short camping trip last...
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You can explore the oceanic crust without a craft made out of the element unobtainium! All it takes is a drive through Del Puerto Canyon in California's Coast Ranges.
One of the movies I most love to hate is "The Core". There are plenty of ridiculous parts, there are several earnest geologist characters, there are the many gory deaths while the heroes save planet Earth from being severely ...
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What's the best view from a tunnel in the world? Here's my candidate, the Wawona Tunnel at Yosemite Valley. And a gratuitous bear cub...
I did something a little different this last weekend for Mother's Day. I found there was a single campsite available in Yosemite Valley on Sunday night, so we headed there for a little explore. I also did something just a lit...
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Garry Hayes

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If you lived in the Great Valley more than 12,000 years ago, it probably wasn't going to be the earthquakes or volcanic eruptions that could have killed you...
The Great Valley began as a shallow sea (a forearc basin) between the Mesozoic subduction zone and the Ancestral Sierra Nevada volcanic arc. As noted in the previous post, the sea filled with thousands of feet of sediments, a...
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Well, we call it the Great Rift Valley... :)
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It's a really flat place, and yet fascinating
Welcome to one of the strangest places on the planet! It's the size of West Virginia, but flatter than the Mississippi River Valley. It was once America's Serengeti, but 95% of the original landscape has been altered. It orig...
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Into the land of the drowning dinosaurs, and a few absolutely terrifying creatures too. Exploring Del Puerto Canyon in California's Coast Ranges.
The sediments of the Great Valley Group form the parallel ridges trending diagonally across the photograph. California has a lot of potential for geological mayhem, with the San Andreas and many other faults, mountain-buildin...
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From how many angles have you seen Tis-sa-ack, otherwise known as Half Dome? I'm still missing a couple of sides...
Tis-sa-ack (Half Dome) from Glacier Point Tis-sa-ack is, along with Yosemite Falls and El Capitan, Yosemite Valley. The iconic rock stands high above the east end of the valley, rising to 8,839 feet (2,694 meters), just short...
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Thank you Garry!
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White-headed Woodpeckers are beautiful birds. They are a purely western species in North America. This one was in the Mariposa Grove at Yosemite.
It's been a slow week for blogging, but a busy week where everything else is concerned. I've got plenty of bird backlogs, so I will start trying to catch up. Today's feathered friend is a White-headed Woodpecker (Picoides alb...
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Giant Ent feet! Imperial Walkers! Run for your lives! Oh, they're just trees. Really big trees.
Giant Ent toes. Or Imperial Walkers. Run for your lives! There are things in Yosemite National Park other than Yosemite Valley. One of the gems (out of a great many) is the Mariposa Grove, a forest of about 500 gigantic Sequo...
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Have him in circles
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Geology professor at Modesto Junior College in Central California
Introduction
I am a teacher of geology at Modesto Junior College and former president of the National Association of Geoscience Teachers, Far Western Section. I have led field trips all over the western United States, and a few excursions overseas, but my homebase is the Sierra Nevada, the Great Valley, and the Coast Ranges of California.
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