[
  {
    "type": "overmap_terrain",
    "abstract": "generic_ravine",
    "name": "ravine",
    "sym": ".",
    "color": "blue",
    "see_cost": 1
  },
  {
    "type": "overmap_terrain",
    "id": "ravine",
    "copy-from": "generic_ravine",
    "flags": [ "NO_ROTATE", "RAVINE" ]
  },
  {
    "type": "overmap_terrain",
    "id": "ravine_edge",
    "copy-from": "generic_ravine",
    "sym": "v",
    "name": "cliffside",
    "color": "light_gray",
    "flags": [ "NO_ROTATE", "RAVINE_EDGE" ],
    "mapgen": [ { "method": "builtin", "name": "ravine_edge" } ]
  },
  {
    "type": "overmap_terrain",
    "id": "ravine_floor_edge",
    "copy-from": "generic_ravine",
    "sym": "^",
    "name": "cliffside",
    "color": "light_gray",
    "flags": [ "NO_ROTATE", "RAVINE_EDGE" ],
    "mapgen": [ { "method": "builtin", "name": "ravine_edge" } ]
  },
  {
    "type": "overmap_terrain",
    "id": "ravine_floor",
    "copy-from": "generic_ravine",
    "sym": ".",
    "name": "ravine floor",
    "color": "light_gray",
    "flags": [ "NO_ROTATE", "RAVINE" ]
  }
]
