Clerks near Herrin IL. Find Herrin, IL clerk, including county, city, and circuit clerk, and clerk of court. Clerks provide information on public court records and legal documents, criminal, jail, and arrest records, marriage licenses, divorce, judicial, and probate records, businesses liens, notary services, real estate taxes and voter registration services. Showing 1-16 of 16 Clerks.
Wing dam in a man-made river bed. A wing dam or wing dike is a manmade barrier that, unlike a conventional dam, only extends partway into a river. These structures force water into a fast-moving center channel which reduces the rate of sediment accumulation while slowing water flow near the riverbanks.
Buttress Dam. a dam in which the water pressure of the headrace, which is absorbed by the pressure floor (in the form of plates or vaults), is transmitted to buttresses and the foundation. Buttress dams are constructed primarily from concrete and reinforced concrete.oth fixed and spillway buttress dams are built. In comparison with massive gravity dams, buttress dams (especially the multiple-arch type) produce savings of 40 percent and more in concrete and costs, depending on the design and local conditions. The height of buttress dams sometimes exceeds 100 m.