World gas to power map [cartographic material] / produced by the Petroleum Economist Ltd., London, in association with Shell Gas & Power ; designed by K. Fuller and P. Bush
"Published May 2002." Relief and depths shown by gradient tints. "Digital map data [copyright] Bartholomew 1997. Generated from Bartholomew's 1:20M world digital database. Reproduced with permission of HarperCollins Cartographic (MM-0797-08)." Includes statistical tables and graphs. Includes one inset map: United Kingdom detail map. EMSL copy inserted in envelop (33 x 26 cm.)