March 9, 2004 – The Center for Biological Diversity and five other groups petitioned the U.S. Forest Service to protect the northern goshawk and its mature and old-growth forest habitats.
April 1, 2009 – The Center filed an appeal challenging the U.S. Forest Service for its failure to protect the northern goshawk in a 26,000-acre timber sale in the Kaibab National Forest north of the Grand Canyon.
May 26, 2009 – The Kaibab National Forest reversed its approval of the Jacob Ryan timber sale, admitting in a letter that its decision and analysis violated forest-plan requirements to maintain goshawk habitat.
October 16, 2009 – The Kaibab National Forest issued a revised environmental assessment for the 26,000-acre Jacob Ryan timber sale — slightly different from its 2008 proposal. The analysis dropped protections for old-growth trees.
January 2012 – The Kaibab National Forest released an official "Decision Notice" and "Finding of No Significant Impact" allowing the Jacob Ryan project to go forward and allowing harvesting of old growth ponderosa pine.v.
May 2012 – The Center filed suit to prevent the Jacob Ryan project from going forward because it provided inadequate protections for goshawks due to lack of requirements to retain old growth trees or sufficient forest canopy.
January 2014 – A U.S. District Court in Phoenix ruled in favor of the U.S. Forest Service, allowing the Jacob Ryan project to go forward without additional protections for old growth habitat.
January 2014 – The Center received information requested under the Freedom for Information Act that showed 38 percent of the timber volume in the Wild Buck timber sale would consist of trees 24-inches in diameter or larger.
February 2, 2014 – The Arizona Republic published an op-ed by the Center describing the devastating effects of the proposed timber sale, as well as the U.S. Forest Service’s failure to follow collaboratively created guidelines contained in the Four Forest Restoration Initiative it had publically supported.