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ASGC 2011 digital boundaries in GeoPackage format
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ASGC 2007-2010 digital boundaries in GeoPackage format
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ASGC 2006 digital boundaries in GeoPackage format
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ASGC 2002-2005 digital boundaries in GeoPackage format
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ASGC 2001 digital boundaries in GeoPackage format
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ASGC 1997-2000 digital boundaries in GeoPackage format
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ASGC 1996 digital boundaries in GeoPackage format
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ASCG 1992-1995 digital boundaries in GeoPackage format
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ASGC 1991 digital boundaries in GeoPackage format
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ASGC 1986 digital boundaries in GeoPackage format