Predictive Methods in Topographic Analysis. II. Estimating Relief from World Aeronautical Charts Open PDF Document Details Document Type Technical Report Publication Date Jun 01, 1959 Accession Number AD0225580 Entities People Joan B. Snell Walter F. Wood Tags Communities of Interest Materials and Manufacturing Processes DTIC Thesaurus Topics Accuracy Air Force Arithmetic Coefficients Distribution Curves Elevation Engineering Environmental Protection Equations Government Procurement Intervals Low Elevation Measurement Standards Surveys Terrain United States