FY 1972 Juan de Fuca Ridge and Sovanco fracture zone, RP-5-OC-71 Lucas, W.H. NOAA Tech. Report ERL234-POL11, 39 pp (1972) Profiles and contour maps of bathymetry, gravity and magnetics along 20 lines, 105 km long, comprising a 10×10 point grid over the intersection of the northern end of the Juan de Fuca Ridge and Savanco Fracture Zone are presented and discussed. A summarized description of shipboard operations of approximately 2400 km of continuous seismic profiling, 100 heat flow stations, 8 cores and 4 camera stations are also given. Feature Publications | Outstanding Scientific Publications Contact Sandra Bigley | Help