#sfw only #book 2 #fukudag4 #hairbal #bypip #eh-rin #halston #1858-1864 #tmht #jew stuff
Link #marie tharp #scientist #geologist #science #ocean #ocean floor #sonar #midocean ridge #atlantic #midatlantic ridge #bruce heezen #plate tectonics #continental drift #volcano #harry hess #seafloor spreading #international womens day #the earth story