PROJECT OTTER (OVERLAND TRAIN TERRAIN EVALUATION RESEARCH). PRETEST REPORT Open PDF Document Details Document Type Technical Report Publication Date Dec 01, 1961 Accession Number AD0402257 Entities People Charles R. Kolb John H. Shamburger Tags Communities of Interest Human Systems DTIC Thesaurus Topics Aerial Photography Aerial Reconnaissance Bearing Capacity Cameras Cartography Engineers Geographic Regions Geometry Materials Middle East Photographic Materials Photographs Photography Polyethylenes Terrain Topographic Maps Vegetation