POSC Specifications: Epicentre Version 3.0 Logical Data Model

ENTITY EARTH_FEATURE
ABSTRACT SUPERTYPE OF (ONEOF( geologic_feature, geophysical_geometry_segment, geophysical_geometry_set, geophysical_point, geophysical_processing_grid, leaseable_earth_feature, mineral_zone, pressure_measurement_datum, seismic_traverse, technical_earth_feature))
SUBTYPE OF (locatable_object);
INVERSE END_ENTITY; (* earth_feature *)
Generated on Tue Jul 10 19:37:46 2001
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