Trinidad (1961). Geological map of Trinidad. Petroleum Association of Trinidad. 1:100,000 scale, 92 x 117cm folding to 92 x 58.5 cm. Colour lithographTrinidad (1961). Geological map of Trinidad. Petroleum Association of Trinidad. 1: 100,000 scale, 92 x 117cm folding to 92 x 58. 5 cm. Colour lithograph on linen backed paper with centre fold. Bright and clean apart from library stamps and pencilled notation in upper left corner. The side margins are trimmed without loss of information. Traces of old folds prior to mounting on linen. Legend in sea area. Includes east point of Venezuela. In very good