The Big-Horn Treasure: A Tale Of Rocky Mountain Adventure - Paperbackby John F. Cargill (Author) The Big Horn Treasure: A Tale Of Rocky Mountain Adventure by John F. Cargill is an exciting adventure novel set in the Rocky Mountains. The story follows a group of explorers who set out to find a legendary treasure hidden in the mountains. The treasure is said to be guarded by a giant ram with enormous horns, known as the Big Horn. The group faces many challenges on their journey, including dangerous terrain, wild animals,