Description
Item Description:Relief shown by contours and spot heights ; depths shown by isolines and soundings.
Includes text, bibliography, 2 location maps, 4 colored cross sections, 2 diagrams, and 4 tables.
Cartographic material.
Physical Description:2 maps : color ; 100 x 59 cm., on sheets 142 x 104 cm. and 117 x 104 cm.