North America
Nevada,
July 2021.
Alaska,
May, June 2021.
Southeastern
Arizona, May 2021.
Southern
California, March 2020.
Hawai'i,
January 2019.
Alaska,
July 2018.
Oregon,
Idaho and Nevada, June 2018.
Southern
California, March 2018.
Winnipeg,
June 2014.
Snake Road (Shawnee National Forest): May 2014, August 2014.
South Dakota,
August 2013.
The
Southwest, June 2013.
Selman,
Oklahoma, April 2013.
Dry Tortugas
National Park, April 2013.
Niagara
Falls, October 2011.
The
Southwest, August 2011.
Glacier National
Park, June 2011.
Fort Peck,
Montana, June 2011.
Roosevelt National
Park, June 2011.
Across the northcentral states,
June 2011.
Regina,
Saskatchewan, June 2011.
Lower
Rio Grande Valley, August 2008.
Arizona, New
Mexico, Sonora, June 2007, July 2008.
Vancouver,
British Columbia, April 2005.
Granite Mountain,
Arizona, January 2004.