Download or read book A Small Difference written by Raymond Plank and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mr. Plank, the founder of Apache Oil Company (now Apache Corporation), offers his memoir which includes some family history but is mostly the history of Apache Oil and how it came to have a major presence at Ucross, Wyoming. Also included is information on how the artists' colony at Big Red was established under the Ucross Foundation.