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Training course materials provide insight into instructional methods used at the Mississippi Law Enforcement Officers Training Academy during Dr. Marx 's two decades with the Highway Patrol . For example , data from two previous imaging radar missions showed a decrease in forests along the Mississippi River between 1978 and 1981 . The flood proved that control of the Mississippi was as much a hope for the future as control of the Mississippi had ever been . Although it focuses on Champaign County , the Archives holds extensive collections of works dealing with the rest of Illinois and most of the states east of the Mississippi . Proceeds from the event will go toward covering transportation expenses for volunteers from the schools of nursing and public health , who will travel to the Mississippi towns of Ocean Springs , Biloxi and Long Beach to provide care to those displaced by Hurricane Katrina .