Worst-case scenario: the UEd Goblin wipes the map and burns down your house.

UE2:AtlantisIconImporter (U2XMP)

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U2XMP Object >> Actor >> Keypoint >> AtlantisIconImporter
Package: 
U2_Atlantis

AtlantisIconImporter. Helper class to import a whole bunch of Atlantis specific UED icons. Do not try to place in levels!