| Date - Field | Niger - Terrain |
2012 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2011 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2010 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2009 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2008 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2007 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2006 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2005 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2004 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2003 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2002 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2001 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
2000 January Terrain | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |