• Lava Camp

    Colorado River through the Grand Canyon, 2017
    October 21 to 29, 2017
    My fourth trip rafting the Colorado River through the Grand Canyon, and my first time to do just the top half; I hiked out at Phantom Ranch. This report is mostly some tips and tricks for getting the best experience from a private rafting trip through the Canyon.

  • Upstream from Fossil Camp

    Colorado River through the Grand Canyon, 2016
    December 1 to 26, 2016
    My third trip rafting the Colorado River through the Grand Canyon. We had a great group, and some incredible layover days. I rowed a "bucket boat" this trip, and had a terrific time in the rapids.

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    Fire history in remnant red pine (Pinus resinosa) forests in Wisconsin.
    September, 2016
    My good friend and colleague Jed Meunier and his crew have been finding some incredible fire-scar records in red pine forests over much of Wisconsin. This work will have some profound implications for understanding the historical role of surface fires in these landscapes.

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    The Third American Dendrochronology Conference (AmeriDendro), Mendoza Argentina
    March 28 to April 1, 2016
    AmeriDendro is held every four years, and my first time back in Mendoza since our last WorldDendro conference here in 2000. It was a fantastic conference, lots of very good talks, and of course a great opportunity to catch up with old friends and make some new ones.

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    Grand Canyon through the Colorado River, 2014
    September 18 to October 9, 2014
    I had the great pleasure to go down the Colorado River through the Grand Canyon for my second time in 2014, and my first time rowing a boat. Another great group, and several of my oldest buddies along!

  • Rocks and worm tubes

    Grand Canyon through the Colorado River, 2009
    December 20, 2009, to January 13, 2010
    Ever since I was 5 years old I wanted to run the Colorado River through the Grand Canyon, and I finally had my first chance in December 2009. And with my good buddy Tom Martin!

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  • (Larger version of header photo; Arches National Park, Utah)