[
  {
    "type": "overmap_special",
    "id": "dumpsite_mutable",
    "subtype": "mutable",
    "locations": [ "land" ],
    "city_distance": [ 4, 40 ],
    "city_sizes": [ 5, -1 ],
    "occurrences": [ 0, 3 ],
    "flags": [ "CLASSIC" ],
    "check_for_locations": [
      [ [ 0, 0, 0 ], [ "land" ] ],
      [ [ 1, 0, 0 ], [ "land" ] ],
      [ [ 0, 1, 0 ], [ "land" ] ],
      [ [ -1, 0, 0 ], [ "land" ] ],
      [ [ 0, -1, 0 ], [ "land" ] ]
    ],
    "joins": [ "dump_to_dump" ],
    "overmaps": {
      "dump_core": {
        "overmap": "dumpsite_north",
        "north": { "id": "dump_to_dump" },
        "east": { "id": "dump_to_dump" },
        "south": { "id": "dump_to_dump" },
        "west": { "id": "dump_to_dump" }
      },
      "dump_edge": {
        "overmap": "dumpsite_edge_north",
        "north": "dump_to_dump",
        "east": { "id": "dump_to_dump", "type": "available" },
        "south": { "id": "dump_to_dump", "type": "available" },
        "west": { "id": "dump_to_dump", "type": "available" }
      }
    },
    "root": "dump_core",
    "phases": [ [ { "overmap": "dump_edge", "weight": 33 }, { "overmap": "dump_core", "weight": 11 } ] ]
  }
]
