Upper crustal structure and axial topography at intermediate spreading ridges: Seismic constraints from the southern Juan de Fuca Ridge, Canales, J. P.; Detrick, R. S.; Carbotte, S. M.; Kent, G. M.; Diebold, J. B.; Harding, A.; Babcock, J.; Nedimovic, M. R.; van Ark, E. , Journal of Geophysical Research-Solid Earth, Dec 14, Volume 110, Issue B12, p.-, (2005), Doi 10.1029/2005jb003630 Abstract