TY - BOOK AU - Gilluly,James AU - Waters,Aaron C. AU - Woodford,Alfred O. TI - Principles of geology T2 - A Series of books in geology SN - 071670269X AV - QE26.2 .G41 U1 - 550 PY - 1975///] CY - San Francisco PB - W. H. Freeman KW - Geology N1 - Includes bibliographies and index ER -