Relief shown on most maps by spot heights and gradient tints.
Author affiliations in lower left corner of sheets 1-3.
Sheet 1: Includes text, 3 col. ill., 1 diagram, 7 maps, 1 location map, and 3 perspective views.
Sheet 2: Includes 8 block diagrams, 16 maps, and 1 location map.
Sheet 3: Includes 1 map, 10 col. cross sections, 19 horizontal slices, and 1 perspective view fence diagram.