TY  - BOOK
AU  - Butler,B.C.M.
AU  - Bell,J.D.
TI  - Interpretation of geological maps
SN  - 0470208449 
U1  - 551.8 BUT 
PY  - 1988///
CY  - Harlow, Essex, England, New York
PB  - Longman Scientific & Technical, Wiley
KW  - Geology
N1  - Includes index
ER  -