Blacktail Enterprises

year of pub­li­ca­ti­onISBNauthor(s)title
1992978-0-9634799-0-7Thomas G. RamptonRiver Guide to Desolation and Gray Canyons on the Green River, Utah: A Mile-By-Mile Guide to the Green River Between the Towns of Ouray and Green River, Utah, and Geology of the Area
2003978-0-9634799-5-2   ''Desolation and Gray Canyons River Guide: Green River, Utah, 2003 Edition
2005978-0-9634799-6-9   ''Labyrinth Canyon River Guide: Green River, Utah, 2005 Edition