In the third resource unit on regional studies designed for fifth graders, focus is upon the Northeast area in general, and specifically upon a case study of the urban area of New York City itself. The case study is one of sequent occupance from the time of inhabitance by the Indians in New York City up to the present time and includes examination of city problems today. Economic geography is dealt with as students analyze physical and man-made factors which contributed to the city's development, illustrating changing use of the environment in terms of a changing situation. Following the study of New York City, pupils turn to the wider region of the Northeast, examining the chief characteristics which make this area different from other regions. The teacher's guide ED 062 226 provides program descriptions, course objectives, teaching strategies, and an explanation of format. Other related documents are a selected reading on New York City ED 061 134, ED 062 227 and SO 002 732 through SO 002 741. (Several pages may be illegible.) (Author/SJM)