Subject Description


Topography and geology

OCM Identifier


Subject Description

Information on topography and geology such as altitude above sea level; relief (e.g., hills, mountains. plateaus, passes); bodies of water (e.g., lakes, rivers, arms of the sea, swamps); subsurface water; character of seacoast and adjacent marine floor; tides and currents; floods; areas of volcanic and seismic activity; etc.


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