01845oam 2200505 450 991071342630332120200505081427.0(CKB)5470000002501393(OCoLC)966434723(OCoLC)995470000002501393(EXLCZ)99547000000250139320161219d1987 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDischarge ratings for control gates at Mississippi River lock and dam 21, Quincy, Illinois /by Albert J. HeinitzIowa City, Iowa :U.S. Geological Survey,1987.1 online resource (viii, 44 pages) illustrationsWater-resources investigations report ;87-4155"Prepared in cooperation with the U.S. Army Corps of Engineers, Rock Island District."Includes bibliographical references (pages 43-44).Stream measurementsIllinoisQuincyStream measurementsMississippi RiverLocks (Hydraulic engineering)IllinoisQuincyStream measurementsfastIllinoisQuincyfastMississippi RiverfastStream measurementsStream measurementsLocks (Hydraulic engineering)Stream measurements.Heinitz Albert J.1388242Geological Survey (U.S.),United States.Army.Corps of Engineers.Rock Island District.COPCOPOCLCOOCLCFGPOBOOK9910713426303321Discharge ratings for control gates at Mississippi River lock and dam 21, Quincy, Illinois3448178UNINA