01 فروری 1979 This book is designed to aid both the technical instructor as a training manual and the Peace Corps Volunteer as a field resource reference. It includes sections on wells, pumps, and defines a water well program. 170 pages, illustrated
01 جنوری 1983 This booklet is a manual on masonry well construction, written for the layman with little or no technical training. 50 pages, illustrated
01 جنوری 1979 This definitive work provides step-by-step guidance in the techniques of digging and constructing a well, including the principles of groundwater storage, the actual construction, the materials required, and details of additional sources of information. 253 pages, illustrated, photos