G2E1O1I1D2S1
8 points
GEOIDS is validvalid
GEOID, a hypothetical surface of the earth [n]
GEOID, the figure of the earth's mean sea-level surface assumed to be continued under the land [n]
GEOID, a hypothetical surface of the earth [n]
GEOID, the figure of the earth's mean sea-level surface assumed to be continued under the land [n]