5
COMPARISON OF VERTICAL DATUM ELEMENTS
•
                                                                     NGVD 29                      NAVD 88
 
 
 DATUM DEFINITION                26  TIDE GAUGES                    FATHER’S POINT/RIMOUSKI
                                                 IN THE U.S. & CANADA                       QUEBEC,  CANADA
   
 BENCH MARKS                     100,000                                                450,000
 
 LEVELING (Km)                                102,724                                              1,001,500
 
 GEOID FITTING                   Distorted  to Fit MSL Gauges                  Best Continental Model