IN THIS ISSUE: Planning Water Resource Systems /2 (Better methods of planning our water resource systems depend on better knowledge of the physical, biological, chemical, economic, political, and social processes that are involved, according to Daniel P. Loucks, chairman of the Department of Environmental Engineering and a specialist in systems analysis.) ... Water Quality Control: High on the List of National Priorities /9 (The importance and means of quality control of the nation's water resources are discussed by Charles D. Gates, professor of civil and environmental engineering.) ... Resources Management of the Great Lakes: The Interaction of Engineering and Public Policy /16 (How individuals and universities can instigate action in public affairs is illustrated by Professor Leonard B. Dworsky in his case study of the Cornell project on Great Lakes management.) ... NEWRIT: Water Resources Information Retrieval Center at Cornell /24 (How a computer can do the literature search for water resources and other scientific and technological studies is described in an article on a valuable service available at Cornell.) ... Register /28 ... Faculty Publications /37