Investigations of Methods and Equipment Used in Stream Gaging, Vol. 2

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Excerpt from Investigations of Methods and Equipment Used in Stream Gaging, Vol. 2: Intakes for Gage WellsVarious devices attached to the ends of intake pipes to gage wells have been used by engineers of the Geological Survey in attempts to eliminate the draw down, or difference in the heights of water in the well and in the river at stations for the measurement of stream ¿ow. About 90 different devices and arrange ments of intakes were tested at the National Hydraulic Laboratory in order-to obtain definite information regarding the performance of the various devices and their effectiveness in eliminating draw-down.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.