Depths shown by isolines and soundings. Relief shown by contours and spot heights. "From China charts to 1976." "Soundings in meters." Includes compilation diagram.
OCLC:
(OCoLC)34105948
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.