Yeuell, H. Davis. Moving Mountains: A History of Presbyterian and Reformed Faith at Work in Appalachia. Amesville, OH: Coalition for Appalachian Ministry, 1985. First Edition. 
Very good large softcover, 8 1/2 x 11, 38 pp., illustrated. Very good. Paperback.
The author was the executive of the Synod of the Virginias; the Preface is written by James H. Smylie of the Union Theological Seminary of Richmond, Virginia.
"This study traces the development of the 'mountain missions enterprise of Presbyterian-Reformed churches currently a part of the Coalition for Appalachin Ministry - the Christian Reformed Church, the Cumberland Presbyterian Church, the Presbyterian Church (U.S.A.), and the Reformed Church of America." - Foreword.