179 pages : illustrations, maps (1 folded in pocket) ; 18 x 23 cm
ISBNs
9780299970130, 0299970132
OCLC
ocm05692951
Includes index.
Published with funding from the National Sea Grant Program, National Oceanic and Atmospheric Administration, U. S. Dept. of Commerce, and the State of Wisconsin. WIS-SG-79-132.