West Magnesia Canyon Channel, Rancho Mirage, California, Draft Detailed Project Report for Flood Control and Environmental StatementU.S. Army Corps of Engineers, Los Angeles District, 1982 - Flood control |
Common terms and phrases
2711 Los Angeles adjacent agencies alluvial cone alluvial fan alternative American kestrel Angeles District bighorn sheep Brandegea California Department CDFG City of Rancho Coachella Valley Water concrete channel construction activities Corps of Engineers creosote bush cultural resources CVWD debris basin debris basin embankment Department of Fish desert wash disturbance Ditaxis downstream Ecological Reserve existing Fish and Game Fish and Wildlife Flood Control Project flood protection floodplain Gambel's quail impacts June Laguna Niguel levee located Magnesia Spring Canyon Magnesia Spring Creek Manager-Chief Engineer Memorandum for Record Mirage Flood Control mitigation area mitigation package mouth of Magnesia Palm Desert perennial perennial plants plants prairie falcon project area proposed debris basin public access Rancho Mirage Flood raptors Riverside County Santa Rosa Mountains September SPLPD-EP Springs State Ecological standard project flood survey U.S. Fish upstream USFWS Valley Water District vegetation vehicles water source Whitewater River Wildlife Service wildlife values