ocr: - - - a Introducing the DCW CD-ROM The Digital Chart of the World, DCW, is a geographic database designed for small- scale base mapping. The primary sources of information for the geographic database are the 1:1,000,000 scale Operational Navigation Charts (ONC's) and the 1:2,000,000 scale Jet Navigation Charts (JNC's) developed by the data has Defense been Mapping compiled for Agency the entire (DMA). world on world This a NEN AutoCAD Digital Drawings Chart of of the the Entire World World and provided in 5 degree X 5 degree tiles. These drawings ISO-9660 cover CD-ROM the entire in compressed ...