Issue 20 and Volume 26.

DRIVEN WELLS AND THEIR PROPER TREATMENT. JAS R. MAXWELL, CONSULTING ENGINEER, CINCINNATI. HAVING noticed the many efforts made by engineers and water companies to procure the greatest quantity of water from wells driven into the sand-deposits of our river valleys and the frequent giving out of wells which at first promised a large and satisfactory supply, I have concluded to offer some suggestions, derived from a long experience with pumps and wells. In all river valleys where the sand deposits have been gradually formed there is found more or less loam and vegetable matter mixed with the sand, sometimes evenly distributed throughout the deposit, and at other places in layers formed where the channel has remained for a long time at, or near the same place. When a well is driven into a comparatively clear bed of sand or gravel it Is capable of delivering a given quantity of water…

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