I would like to provide a guide to rewriting the dragon spawns so that players on other maps can specify where they want their dragons to spawn.

The class_strings are:
PersistentGameplaySublevel_NewDragonSpawns
DinoSpawnEntries_AcidDragons
DinoSpawnEntries_FireDragons
DinoSpawnEntries_GasDragons
DinoSpawnEntries_IceDragons
DinoSpawnEntries_LightningDragons
DinoSpawnEntries_WaterDragons
DinoSpawnEntriesNestWyvernDragon

Eventual format will be:

ConfigSubtractNPCSpawnEntriesContainer=(NPCSpawnEntriesContainerClassString="DinoSpawnEntriesBeach_C",
NPCSpawnEntries=
((NPCsToSpawnStrings=("drake_character_bp_acid_c")),
(NPCsToSpawnStrings=("drake_character_bp_fire_c")),
(NPCsToSpawnStrings=("drake_character_bp_ice_c")),
(NPCsToSpawnStrings=("drake_character_bp_gas_c")),
(NPCsToSpawnStrings=("drake_character_bp_water_c")),
(NPCsToSpawnStrings=("drake_character_bp_lightening_c"))),

NPCSpawnLimits=((NPCClassString="drake_character_bp_acid_c"),
(NPCClassString="drake_character_bp_fire_c"),
(NPCClassString="drake_character_bp_ice_c"),
(NPCClassString="drake_character_bp_gas_c"),
(NPCClassString="drake_character_bp_water_c"),
(NPCClassString="drake_character_bp_lightening_c")))

The above code would remove Drakes from "DinoSpawnEntriesBeach_C" (the beach), and in theory, all dragon types could be removed and then reslotted to spawn elsewhere given new weights.