TY  - BOOK
AU  - Okkerman,J.A.
TI  - Description of exposures
PY  - 0000///[199?]
KW  - Geology investigation
N2  - The information that can be gained from the description of exposures depends on many factors; knowledge of structures, textures and sediment types, time, weather conditions, purpose of description and also on the way the description itself is done
ER  -