Trinidad. Map showing the Oilfields in the Island of Trinidad, B.W.I. (c.1930s). Unpublished dye-line map at 1:126,720 scale
Trinidad. Map showing the Oilfields in the Island of Trinidad, B.W.I. (c.1930s). Unpublished dye-line map at 1:126,720 scale (46 x89cm folding to 23 x 11cm) with geologist J R Falconer’s name in manuscript under title. Decade determined by absence of fields developed later. Cut and mounted on linen. Age-tone and soiled. In fair to good condition.