Large heritage Valley Oak tree in Knights Valley is seen after a rainstorm in this 2009 Healdsburg, California, winter landscape photo.
tidy tips (layia platyglossa), california poppy (eschscholzia californica), purple owls clover (castilleja exserta) and douglas lupine (lupinus nanus) blooming beneath valley oaks at shell creek, coast range mountains, california, usa - 谷橡木 個照片及圖片檔
Valley Oak tree stands on a ridge as biologist and Tejon Ranch employees take in the view of some of California's most spectacular and untamed...
Tree sitter John Quigley is trying to save a 400 year old Valley Oak tree in Pico Canyon inStevenson Ranch. Quigley ascended the oak tree on Nov 1,...
Tree sitter John Quigley is trying to save a 400 year old Valley Oak tree in Pico Canyon inStevenson Ranch. Quigley ascended the oak tree on Nov 1,...
Tree sitter John Quigley is trying to save a 400 year old Valley Oak tree in Pico Canyon inStevenson Ranch. Quigley ascended the oak tree on Nov 1,...
Pasadena, CA Julia Butterfly Hill, who spent over 700 days in a 1,000-year-old coastal redwood in the 1990s, and John Quigley, who spent 71 days in...
Pasadena, CA Julia Butterfly Hill, who spent over 700 days in a 1,000-year-old coastal redwood in the 1990s, and John Quigley, who spent 71 days in...
Pasadena, CA Julia Butterfly Hill, who spent over 700 days in a 1,000-year-old coastal redwood in the 1990s, and John Quigley, who spent 71 days in...
id a time out to watch a lone oak tree in pinnacles national park,pinnacles national park,united states,usa - 谷橡木 個照片及圖片檔
Los Angeles, CA A valley oak near where animals will cross from the Santa Monica Mountains to the Simi Hills on the Wallis Annenberg Wildlife...
White oak or valley oak, Quercus alba. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry...
Chad Brey, the North American tree climbing champion, prepares to climb a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be...
Chad Brey, the North American tree climbing champion, packs his rope after climbing and trimming a valley oak in Woodside, Calif., on Tuesday, March...
Chad Brey, the North American tree climbing champion, packs his rope after climbing and trimming a valley oak in Woodside, Calif., on Tuesday, March...
Chad Brey, the North American tree climbing champion, descends from a valley oak in Woodside, Calif., after trimming a few branches on Tuesday, March...
Chad Brey, the North American tree climbing champion, descends from a valley oak in Woodside, Calif., after trimming a few branches on Tuesday, March...
Chad Brey trims a few dead branches from a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the International...
Chad Brey reaches out to trim a dead branch in a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...
Chad Brey looks for dead branches to trim in a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...
Chad Brey traverses from one branch to another as he trims dead branches in a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will...
Chad Brey reaches out to trim a dead branch in a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...
Chad Brey, the North American tree climbing champion, climbs through the branches of a valley oak in Woodside, Calif., on Tuesday, March 17, 2015....
Chad Brey reaches a safe landing spot in a valley oak he's climbing in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...
Chad Brey checks his safety equipment while climbing a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...
Chad Brey, the North American tree climbing champion, feels his way through the branches of a valley oak he's climbing in Woodside, Calif., on...
Chad Brey, the North American tree climbing champion, works his way up the trunk of a valley oak in Woodside, Calif., on Tuesday, March 17, 2015....
Chad Brey, the North American tree climbing champion, works his way up the trunk of a valley oak in Woodside, Calif., on Tuesday, March 17, 2015....
Chad Brey, the North American tree climbing champion, puts on his tree climbing harness as he prepares to climb a valley oak in Woodside, Calif., on...
Chad Brey, the North American tree climbing champion, secures his rope around the trunk of a valley oak in Woodside, Calif., as he prepares to climb...
Chad Brey, the North American tree climbing champion, pulls his rope through the canopy of a valley oak in Woodside, Calif., as he prepares to climb...
Chad Brey pulls on his throw rope before attaching it to his climbing rope as he prepares to climb a valley oak in Woodside, Calif., on Tuesday,...
Chad Brey, attaches the end of his throw rope to his climbing rope to pull the heavier rope over a branch as he prepares to climb a valley oak in...爬山繩
Chad Brey, the North American tree climbing champion, prepares to climb a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be...
Chad Brey prepares his safety harness and ropes before climbing a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing...
Chad Brey puts on his helmet as he prepares to climb a valley oak in Woodside, Calif., on Tuesday, March 17, 2015. Brey will be competing in the...