Excerpt from Hydrology, Conservation, and Management of Runoff Water in Playas on the Southern High Plains The numerous shallow playas provide excellent breeding places for mosquitoes. Harmston (16) found that 75 percent of the mosquitoes produced in his study area in the southern High Plains Were produced in playas. The major cities of the area have enough playas, either Within their borders or nearby to make the annoyance from mosquitoes a maj or problem. In addition, mos quitoes from playas present a serious health hazard to people because they transmit the Viruses that cause encephalitis (sleeping sickness) 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.