This sidescan towfish picture below is the figure number 8
in the research paper
"First Reseults from a Cambination Side-Scan Sonar and Seafloor Mapping
System (SeaMARC II)" by J. G. Blackinton, D. M. Hussong, and J. G. Kosalos.
The paper was presented at the 15th Annual Offshore Technology Conference
(OTC) in Hoston Taxas, May 2 to 5, 1983.
The label "Sidescan MAPPING GEOMETRY" from the picture above is appeared
as "Sea MARC II MAPPING GEOMETRY" from the original figure.
Permission to display this modified figure is granted by
Mr. Blackinton on December 9, 1996. Mr. Blackinton & Mr. Hussong are
with the
Seafloor Surveys International, Inc. Seattle, WA, Tele:(206) 441-9305.