The user may define subclasses of this class.
A series of attributes may be used to describe either horizontal or vertical control. The authority is the agency responsible for the control, whereas adjustmentAgency pertains to who actually carried out the adjustment work. adjustmentOrder indicates whether the survey is considered as first, second, or third order, etc. integrationStatus refers to whether the survey is tied to provincial or national networks, or whether it is isolated. collectionAgency is the agency or company responsible for the data collection associated with the survey. dates for collection and adjustment may also be provided.