World Atlas version 2.1
changes since version 2.0:
1.  Duplicate cities eliminated
2.  Yemen and Republic of Yemen combined into Yemen Arab Republic
3.  England, Scotland, Wales and N.Ireland reunited to United Kingdom
4.  East and West Germany combined into Germany
5.  Mountain, Lake, Rivers and Island files expanded
6.  Island groups added with search feature
7.  High elevation cities, Falls, Caves and Meteor Craters added
8.  Coastline length added
9.  Metric conversion added to area and elevation figures
10.  Option added to list cities by rank or alphabetically
11.  Escape provided from long lists