Prepared as the South Carolina long range program outline required by PL 95-123, the Library Services and Construction Act (LSCA), this statement of objectives, policies, and programs undertaken in South Carolina for the improvement of library service is the third supplement to the South Carolina Program for Library Development, 1978-1983. Included are a list of amendments to the 1979 program statement with respect to the areas of: (1) the needs of the State Library, (2) public libraries, (3) library education, and (4) library cooperation and networking. Policies and practices regarding the dissemination of information relating to the LSCA are outlined, and the goals and implementation strategies of the Library Development Program are reviewed in detail. Among the major topics addressed in the policy review are the functions of the State Library Agency, public library service, institutional library service, service for the blind and physically handicapped, and interlibrary cooperation. (JL)