1.
Colossal Cataract: The Geologic History of Niagara Falls
by Tesmer, Irving H.
ISBN: 9780873955232
List Price: $16.95
4.
Colossal Cataract: The Geologic History of Niagara Falls
by Tesmer, Irving H.
ISBN: 9780873955225
List Price: $44.50