GSC OF D3883: SIR OF 2000-1: Rationalized Detailed Gravity Data for Southern Saskatchewan CD-ROM and Maps (Energy and Resources) A compilation of more than 150 individual detailed gravity surveys, levelled to a common datum. The datum is represented by the regional gravity data holdings of the National Gravity Anomaly Data Base maintained by the Geodetic Survey Division of Geomatics.; The Geomatics Canada database is tied to the International Gravity Standardization Network 1971 (IGSN71) and is included in this compilation. The CD-ROM contains 230,312 records with 31 fields stored as a PC binary file. The CD-ROM will run on any 386 PC; 2000