CYP http://api.nsgreg.nga.mil/geo-political/GENC/3/3-19 urn:us:gov:dod:nga:def:geo-political:GENC:3:3-19 geo-political:GENC:3:3-19 ge:GENC:3:3-19 CY http://api.nsgreg.nga.mil/geo-political/GENC/2/3-19 urn:us:gov:dod:nga:def:geo-political:GENC:2:3-19 geo-political:GENC:2:3-19 ge:GENC:2:3-19 196 http://api.nsgreg.nga.mil/geo-political/GENC/n/3-19 urn:us:gov:dod:nga:def:geo-political:GENC:n:3-19 geo-political:GENC:n:3-19 ge:GENC:n:3-19 exception 2023-07-01 unchanged independent CY-01 CY-02 CY-03 CY-04 CY-05 CY-06 ell tur