The View menu allows you to reopen any closed tabs.
Please be aware, there are other modules that will launch as a tab (for example the Query Builder, the List Editor, and the Material Specification Editor) but you can view these by selecting these modules from the Modules Menu or by selecting the Icon in the Main Toolbar.
The Start Page Tab contains information about your version of Hydro GeoAnalyst and available help and support resources.
The Station Data Tab provides an interface for working with data associated with the currently selected station group (e.g. samples).
The Station List Tab provides an interface for working with the currently selected station group.
The Non Station Data Tab provides an interface for working with data that is not related directly to stations.
The Sample List provides an interface for working with the active sample group and related results.
The Data Results view provides an interface for viewing the results of Queries.
The Data Filter view provides an interface to view and filtering (but not edit) raw tables in your project database. This is also a mechanism for building simple queries of a single table.