TY - BOOK AU - Salisbury, Lutishoor TI - Industrial rocks and minerals of Trinidad and Tobago: a bibliography of their economic geology extraction and utilisation PY - 1992/// CY - Port of SpainTT PB - Quarry Association of Trinidad and Tobago N2 - Intended as a comparison volume to the 'Bibliographical guide to resources on the geology of Trinidad and Tobago' which was prepared on the occasion of the First Conference of the Geological Society of Trinidad and Tobago held in 1985 ER -