This report presents a description and sample products of the Area Resource File (ARF), a computer-based county-specific health resources information system which consolidates U.S. data on the health professions, hospital and nursing home facilities, hospital utilization levels, health professions training, hospital expenditures, Medicare expenditures, and selected population, economic, and environmental characteristics. The report briefly discusses the development of ARF, its data organization and content, ARF products for sale, the analytical capabilities available to the ARF user, and current and future ARF expansion. Information on ordering ARF printed and computer tape products and a sample order form are also provided. Appendices, constituting the major portion of the report, include: (1) samples of basic area profiles for the United States, Maryland, Maryland's Montgomery County, and the Southern Maryland Health Systems Agency (HSA); (2) sample ranking profiles for Maryland and the Southern Maryland HSA; (3) ARF technical documentation describing the master tape as of September 1980; (4) ARF user documentation current as of the same date; (5) a list of ARF data elements added and deleted from September 1979 to September 1980; (6) examples of tables and graphics produced with ARF; and (7) a list of future data elements to be added to the file. (ESR)