■ March 17, 2011: Cooper Larsh dies at Howelsen Hill.
■ July 6, 2011: Maureen Ryan serves the city with notice of claim and an open records request.
■ Dec. 30, 2011: Ryan files suit, naming the city of Steamboat Springs, the Parks and Recreation Commission and Howelsen Hill. The commission is dropped as a defendant.
■ February through April 2012: Both sides file motions regarding the dismissal under the Colorado Governmental Immunity Act.
■ May 20, 2012: 14th Judicial District Court Judge Shelley Hill orders a Trinity hearing, where evidence is presented in order to decide whether a government entity’s actions warrant waiving the immunity afforded to it in Colorado.
■ Jan. 10 and 12, 2013: Trinity hearing is held in Steamboat Springs.
■ Jan. 24, 2013: Hill denies the city’s request to dismiss the case under the Colorado Governmental Immunity Act.
■ Feb. 4, 2013: The city files a notice of appeal.
■ Aug. 12, 2013: The appellant brief from the city is due to the Colorado Court of Appeals. The reply brief is due 21 days later.