Scanned images of original: 1 atlas (101 p.) : col. maps ; 44 cm.
From readme file: "Each Atlas CD consists of 68 pages of original text, maps and data that have been scanned at 400 dpi, compressed and presented in high quality Adobe Portable Document Format (PDF); the free Acrobat Reader software is included on each CD."
System requirements: Windows 98 SE or later ; Intel Pentium III or later processor ; Adobe Acrobat Reader 6.0 (included on disc) ; 128MB of RAM (256MB recommended) ; 160MB of available hard-disk space ; CD-ROM drive.