Published by The Geological Society of America., 1974
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Good. Two large folded sheets including a map showing the age of the ocean basins AND a map showing the magnetic lineations of the oceans; also includes a 2-page explanation summarizing the age of the ocean basins determined from magnetic anomaly lineations; in printed envelope; ex-corporate library; edges of envelope reinforced with tape; light creasing of sheets, o/w all in good condition. Map.