I think I've found them.. So this is what's inside map_meta: chunksize = 5 mg_flags = trees, caves, v6_biome_blend mg_name = v6 mgv6_freq_beach = 0.15 mgv6_freq_desert = 0.45 mgv6_np_apple_trees = 0.000000, 1.000000, (100.000000, 100.000000, 100.000000), 342902, 3, 0.450000 mgv6_np_beach = 0.000000,...