Recommends the use of microfiche readers to enlarge imagery transparencies for mapping or tracing of images. The reader permits close viewing so the apparent resolution of the enlarged image is superior to that obtained with overhead or slide projectors. Additionally, the reader is compact and easily used at individual work stations. (LS)

Describes the National Aerial Photography Program database that includes photographs of the 48 conterminous states. Gives characteristics of two different photography programs, one completed and one still in progress. Provides addresses for obtaining the photographs. Suggests uses of the photographs in education as visual aids and in research as a…