March 2009: Public mention of an off-highway vehicle (OHV) park on forest and abandoned coal land owned by Northumberland County is reported for the first time.

January 2010: County receives $200,000 grant from state Department of Conservation and Natural Resources (DCNR) to conduct a feasibility study.

March 2010: With government boards in the five effected municipalities - Coal, East Cameron, Mount Carmel, West Cameron and Zerbe townships - having passed resolutions supporting the idea, county begins evaluating master plan proposals.

March 2010: Noting some states are closing OHV trails, National Off-Road Association and Jeep Jamboree USA (JJUSA) praise county effort.

April 2010: Commissioners award $239,885 contract to Pashek Associates to complete master plan; $200,000 DCNR grant pays bulk of cost.

July 2010: First meeting to gather public input held.

August 2010: Habitat for Wildlife says it supports park but believes hunting and conversation communities need more representation. Others continue to question while they'll now have to pay to access land they've used for free for years.

October 2010: Second public meeting is held. Known to this point as the Northumberland County Off-Highway Vehicle Park, a new name is given as the Anthracite Outdoor Recreation Area; later this month, the current name is reported. County hosts two-day workshop by Pennsylvania Off-Highway Vehicle Association and National OHV Conservation Council to gather input on park development. DCNR awards $400,000 grant.

June 2011: County receives $20,000 grant from Yamaha Corp. Representatives from Kawasaki and 16 OHV and outdoor magazines praise park idea as they use the land for testing, reviews.

July 2011: Third and final public meeting is held. County receives $300,000 from federal Appalachian Regional Commission (ARC) for construction of entry road.

December 2011: County learns it will receive a $1.5 million grant from DCNR for the park, the largest of 218 conservation and recreation grants awarded statewide.

May 2012: Two state agencies come to defense of AOAA over a dispute about trail development; however, game commission scolds county for doing some work ahead of required studies.

June 2012: County and Geisinger Medical Center's Child Advocacy Center team up on use of state grant to purchase 67 ATV helmets for use by children at park.

August 2012: More than 200 people and 109 vehicles from 18 states participate in Coal Mountain Jeep Jamboree. Park still not officially operating, except for controlled group events.

September 2012: Commissioners pass resolution to create authority to manage and operate the AOAA.

October 2012: Commissioners appoint five-member AOAA Authority board. Responding to a controversy regarding access to AOAA land, commissioners approve a policy barring public from the property. County decides hunting won't be allowed year-round on 342-acre Alaska site as originally proposed, although they say decision could change.

January 2013: Authority board meets for first time; 100 people attend.

February: Authority announces plans to construct welcome center this year.

March 2013: Reading Anthracite says it may be interested in utilizing its land to expand the AOAA. Twenty-five people are named to authority committees.

April 2013: North Jersey Jeep Club (NJJC) members ride at AOAA for two days; on a different weekend, 70 riders from Pennsylvania and New Jersey visit with PENNVEST cites potential for a hotel because of AOAA in awarding a $4 million grant/low-interest loan to Zerbe Township for a new sewage treatment plant.

May 2013: Authority awards $1.6 million in contracts for construction of welcome center. Some 400 riders take part in Valley Forge Trail Riders' hare scramble, second year the event is held at the AOAA.

June 2013: Registration for first of two JJUSA events in 2013 held in downtown Shamokin to create interaction between visitors, businesses and residents. Planned opening of park for public ride is delayed, but a new date is being considered.

Friday: Ground is broken for welcome center.