Vector map level 0 (VMAP0)
Vector map (VMap) level 0 is an updated version of NIMA's Digital chart of the world; and provides worldwide coverage of vector-based geospatial data at 1:1,000,000 on CD-ROMS. Primary source for the database is the Operational navigation charts series co-produced by the military mapping authorities of Australia, Canada, U.K., and U.S. Coverage is divided into 4 disc libraries based on NIMA numbered geographic areas
Map, English, 1997
The Agency ; USGS Information Services, Bethesda, MD, Denver, CO, 1997