Colonizing the sea
Oceanography, juvenile literature
Ocean engineering
Marine resources
Ocean, juvenile literature
Ocean
Oceanography
Juvenile literature
Discusses the possibility of sea cities as man employs his latest technological knowledge to use this last frontier to his best advantage.
Borrow to read
This scan is available through Internet Archive's free lending library — sign in or create a free account below, then borrow to read.
Reader not loading? Open it on Archive.org instead.