Military Day is scheduled for Thursday, June 20 will have specially priced $10 tickets available at all Boot Barn locations. More acts will be announced in the near future. Additional line-up information for Major Mortgage Country Jam can be found at: co.countryjam.com Major Mortgage Country Jam is a 4-day Country music festival located just outside of Grand Junction, Colorado. The dates for the 2013 festival are June 20 - 23. General admission tickets can be purchased at local Bradley Petroleum locations. All tickets including VIP, Reserve, General Admission, Campsites, Country Club and SkyBox seats may be purchased on-line at co.countryjam.com or by calling 1-800-780-0526.