Grand Canyon: solving Earth's grandest puzzle.
Powell, James Lawrence
Grand Canyon: solving Earth's grandest puzzle. - 309
Discovers and rediscovers a great American river-one of astonishing energy and power, a majestic rival to the Mississippi; consists of 16 pages of photographs maps and geological charter that are useful references as to when and where the action took place.
0-13-147989-X
Grand Canyon.
508.79132 / P87
Grand Canyon: solving Earth's grandest puzzle. - 309
Discovers and rediscovers a great American river-one of astonishing energy and power, a majestic rival to the Mississippi; consists of 16 pages of photographs maps and geological charter that are useful references as to when and where the action took place.
0-13-147989-X
Grand Canyon.
508.79132 / P87