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1961. Land Info (Firm), Great Britain. Directorate of Overseas Surveys., and Trinidad and Tobago. Lands & Surveys Department. This index provides access to digital versions of a set of source map sheets for a topographic map series that covers Tobago at a scale of 1:25,000... Land Info (Firm).
1961. Land Info (Firm). This collection is a composite set of digital versions of source map sheets from two topographic map series in various editions which cover either ... Trinidad and Tobago. Lands & Surveys Department., Great Britain. Directorate of Overseas Surveys., and Land Info (Firm).