TY  - BOOK
AU  - Rigg, J.B
TI  - A text book of environmental study  for school scientist 
SN  - SBN 09 456150 8
U1  - 551 
PY  - 1968///
CY  - London
PB  - Constable & Co.
KW  - Geology -
KW  - Geology,hydrology,meteorology -
N1  - Includes bibliographical references and index
ER  -