TY  - BOOK
AU  - Warn,Sue
TI  - Field work investigations / 
SN  - 0560665008
U1  - 551.072 
PY  - 1985///
CY  - Oxford
PB  - Arnold-Wheaton, 
KW  - Earth sciences
KW  - Geology
KW  - Geological research
KW  - Geological surveys
ER  -