Continental Drift
Houston, James D.
Continental Drift James D. Houston - New York Mcgraw-hill book company 1978 - vii, 337 pages: illustrations 21cm.
The theory that Earth's continents were once joined as a single supercontinent named Pangaea before breaking apart 200–250 million years ago and moving to their present positions.
English
0070304882
Continental Drift James D. Houston - New York Mcgraw-hill book company 1978 - vii, 337 pages: illustrations 21cm.
The theory that Earth's continents were once joined as a single supercontinent named Pangaea before breaking apart 200–250 million years ago and moving to their present positions.
English
0070304882