TY  - GEN
AU  - O'Hara, M.
AU  - Bryce, R.
TI  - A  geotechnical classification of Jamaican rocks
PY  - 1983///
CY  - Kingston, P.O. Box 141, kgn. 6
PB  - Geological Survey Division, Ministry of Mining and Energy
KW  - Rocks - Identification
N1  - Geotechnical map in pocket; Bibliography : leaves 39-40
ER  -