Excerpt from Hydraulic and Excavation Tables Table 20. - Area in square feet, A, top width in feet, T, and hydraulic radius in feet, 1, of trapezoidal channels, one side slope 1% to 1 and one side $10 2 to 1. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.