Stories by Henry W. Menard

This broad, 8,000-mile-long bulge in the crust of the earth differs in many ways from the rest of the ocean bottom. It may be the result of huge convection currents in the interior

The bottom off northern California is broken by a cliff a mile high and more than 1,000 miles long. It is one of four immense fractures apparently due to the same massive deformation of the earth's crust