=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Abidjan             405/001 RLR(1975) is 10.9m below Repere IGNA2
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Abidjan             405/001 RLR(1975) is 10.9m below Repere IGNA2

