TY  - BOOK
AU  - Harris,Miles F
AU  - American Geological Institute
TI  - Investigating the earth / 
U1  - 550 HAR 
PY  - 1973///
CY  - Boston : 
PB  - Houghton Mifflin , 
KW  - Earth sciences
N1  -  Includes bibliographical references and index
ER  -