Imperial Project (gold Mining/processing Operation), Imperial County : Environmental Impact Statement. 1995ZIP
Coachella Canal Lining Project, Riverside County, Imperial County : Environmental Impact Statement. 2001ZIP
Imperial National Wildlife Refuge (N.W.R.), Proposed : Environmental Impact Statement.United States1975ZIP
Imperial Valley, East Mesa Geothermal Test Well : Environmental Impact Statement.United States Bureau of Reclamation1972ZIP