Forecasting Trafficability of Soils: Airphoto Approach. Volume 2 Open PDF Document Details Document Type Technical Report Publication Date Jun 01, 1963 Accession Number AD0410212 Tags Communities of Interest Air Platforms Biomedical DTIC Thesaurus Topics California Classification Geography Geology Grand Forks Materials New York North America North Carolina North Dakota Organic Materials Particles Plastic Explosives Software In The Loop Three Dimensional Two Dimensional United States