{
  "water_features": {
    "lake": {
      "display_name": "Lake",
      "description": "Large body of fresh water surrounded by land",
      "formation_type": "water_accumulation",
      "budget_impact": 1
    },
    "pond": {
      "display_name": "Pond",
      "description": "Small body of still fresh water",
      "formation_type": "water_accumulation",
      "budget_impact": 1
    },
    "waterfall": {
      "display_name": "Waterfall",
      "description": "Water cascading down from height with hydroelectric potential",
      "formation_type": "water_erosion",
      "budget_impact": 1
    },
    "marsh": {
      "display_name": "Marsh",
      "description": "Wetland area with standing water and specialized vegetation",
      "formation_type": "water_saturation",
      "budget_impact": 0
    },
    "central_hill_swamp": {
      "display_name": "Central Hill Swamp",
      "description": "Marshy wetland with elevated central hill providing strategic position",
      "formation_type": "water_saturation_with_elevation",
      "budget_impact": 1
    },
    "islands_swamp": {
      "display_name": "Islands Swamp",
      "description": "Swampland dotted with multiple small dry islands and complex waterways",
      "formation_type": "fragmented_water_saturation",
      "budget_impact": 1
    },
    "hilly_swampy": {
      "display_name": "Hilly Swampy",
      "description": "Rolling terrain with marshy valleys and elevated dry ridges",
      "formation_type": "terrain_drainage_pattern",
      "budget_impact": 0
    },
    "river_source": {
      "display_name": "River Source",
      "description": "Origin point of a major river with strategic importance",
      "formation_type": "groundwater_emergence",
      "budget_impact": 2
    },
    "delta": {
      "display_name": "River Delta",
      "description": "Fertile river mouth area with rich sediment deposits",
      "formation_type": "sediment_deposit",
      "budget_impact": 2
    },
    "oasis": {
      "display_name": "Oasis",
      "description": "Isolated fertile spot in desert with precious water source",
      "formation_type": "groundwater_emergence",
      "budget_impact": 3
    }
  }
}