JAM 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 JM 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:2:3-19 388 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 iso 2023-07-01 unchanged independent JM-01 JM-02 JM-03 JM-04 JM-05 JM-06 JM-07 JM-08 JM-09 JM-10 JM-11 JM-12 JM-13 JM-14 eng