The deepest hole in the world
Subtitle: the story of Project Mohole.
Publisher: Putnam
Published: 1964
Place of publication: New York
Language: eng
Number of pages: 71
Subjects: Mohole project -- Juvenile literature.; Mohole project.; Geology -- Research.
Description: Traces man's theories and growing knowledge about the center of the earth and describes the evolution and execution thus far of Project Mohole, a hole being dug to the earth's mantle.