> > The water that I would like to utilise flows out of the ground in > a rivulet RAM pump! That's what I was trying to recall--my poor memory! It's type of gravity pump. Again, I searched www.google.com for "gravity ram pumps. Riley http://www.grove.net/%7Eatlas/ All About Hydraulic Ram Pumps--How and Where They Work (ISBN 0-96315626-2-9) The ram pump is a useful old-tech device that can pump water from a flowing source of water above the source with no power requirement except the force of gravity. Invented before electric water pumps, this rugged and dependable device works just as well and is just as useful. Typically installed at remote homesites for watering livestock, gardens, decorative water lilly ponds, water wheels and fountains. This book explains in simple terms and with illustrations how the ram pump works, where it can be set up, and how to keep it going. The second section of the book gives step-by-step plans for building a fully operational Atlas ram pump from readily available plumbing fittings that requires NO welding, drilling, tapping or speci al tools. The final chapter shows how to build an inexpensive ferrocement water storage unit with up to 15.000 gallon capacity. Order BOK 105, only $9.95 plus $3.00 bookrate shipping.