Program: CLOCKSS
- Publisher: Published by V.H. Winston & Sons in cooperation with American Congress on Surveying and Mapping, American Society of Photogrammetry, American Geophysical Union
- Print ISSN: 0749-3878
- Electronic ISSN: 2331-1762
- OCLC Number:
- Summary Holdings: v.21-v.40 (1984-2003)
- Holdings Format: Digital