Map of Yakima Region, Washington Ter. / Northern Transcontinental Survey, Raphael Pumpelly, director ; A.D. Wilson, chief topographer ; R.U. Goode, topographer ; Frank Tweedy, Asst. ; F.D. Owen, chief draughtsman.Wilson, A. D. (Allen D.)1882"Photolithographed preliminary sheet for the use of the parties in the field, and subject to revision."In top margin: Western sheet.Relief shown by contours and spot heights.cartographic