Imagery
Orthophotography is available as a free download from NC One Map
ArcGIS users can see Gaston County Orthophotography for 2005, 2009, 2010 and 2015 using the ArcGIS Image Service provided by NC One Map:
Server URL: http://services.nconemap.gov/arcgis/rest/services
Server URL: http://services.nconemap.gov/arcgis/rest/services
2010 & 2015 Orthophotography available only from the State of North Carolina.
2006, 2007 & 2008 Aerials available from Aerials Express at 480-777-9909
2011 & 2014 Imagery available from Pictometry