Relief shown by gradient tints. Depths shown by gradient tints. Includes tables showing gas reserves and production by country and by region for 2001. Insets: Trinidad &Tobago; Caspian Sea; United Kingdom; Southern Cone; Egypt; India (western region). Map was produced for tfor 22nd World Gas Conference, Tokyo 2003. "Digital map data [copyright] Bartholomew 1997. Generated from Bartholomew's 1:20M world digital database. Reproduced with permission of HarperCollins Cartographic (MM-0797-08)."