Because of the uncertainty related to water resources development projects, and because of the multitude of factors influencing their performance, the systems analysis approach is often used as an instrument in the planning and design process. The approach will also yield good results in the programming of the maintenance and management of the…

This volume is the fifteenth in a series of 29 coordinated MINNEMAST units in mathematics and science for kindergarten and the primary grades. Intended for use by second-grade teachers, this unit guide provides a summary and overview of the unit, a list of materials needed, and descriptions of six groups of lessons. The purposes and procedures for…