Story of the launching and life of the R/V Hollis Hedberg, a seismic research vessel owned and operated by Gulf Oil in the 1970's and 1980's

Seismic exploration in the early 1970's in the Amazon River of Brazil.

This article is a 2D seismic acquisition survey in the Fiji Islands in the South Pacific in 1973 along with a tectonic summary of the area.