if (IsSavegameVersionBefore(196)) {
		for (TileIndex t = 0; t < map_size; t++) {
			/* To be able to restore the original owner of the canal under a dock,
			 * the watered part of the dock now stores that owner. Since this 
			 * feature wasn't previously available, set the owner to OWNER_WATER,
			 * for as long as the water class was not WATER_CLASS_CANAL. */
			if (IsDockTile(t) && HasTileWaterGround(t)) {
				if (HasTileWaterClass(t) && GetWaterClass(t) != WATER_CLASS_CANAL) {
					SetTileOwner(t, OWNER_WATER);
				}
			}
			/* Industry completed bit is no longer set at m1 bit 7, but at m1 bit 4. */
			if (IsTileType(t, MP_INDUSTRY) && HasBit(_m[t].m1, 7)) {
				SetIndustryCompleted(t);
				SB(_m[t].m1, 7, 1, 0);
			}
			/* When the Oil Rig industry was completed, m1 bit 7 would be set, and 
			 * an Oil Rig station would inherit this bit. m1 bit 7 is being used to
			 * determine if a canal was built on a river now, and since this feature
			 * was previously unavailable, clear it. */
			if (IsTileType(t, MP_STATION) && IsOilRig(t) && HasBit(_m[t].m1, 7)) {
				SB(_m[t].m1, 7, 1, 0);
			}
			/* There was no real way to store canals owners before this version.
			 * Set the canal owner to be the same as the tile owner. */
			if (IsWaterTile(t) && IsCanal(t)) {
				SetCanalOwner(t, GetTileOwner(t));
			}
			if (IsShipDepotTile(t) && GetWaterClass(t) == WATER_CLASS_CANAL) {
				SetCanalOwner(t, GetTileOwner(t));
			}
		}
		_settings_game.construction.build_on_competitor_canal = 1;
	}