| Date - Field | Tonga - Terrain |
2009 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2008 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2007 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2006 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2005 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2004 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2003 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2002 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2001 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
2000 January
Terrain | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
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