#Block Properties For Harvest Level
#The Parameters Are modid:block = harvest level

<HarvestLevel>
minecraft:mob_spawner = 0
minecraft:end_portal_frame = 0

silkspawners:CustomMobSpawner = 0
silkspawners:NetherSpawner = 0
silkspawners:EnderSpawner = 0
silkspawners:RustedCage = 0
silkspawners:IceSpawner = 0
silkspawners:CaveSpawner = 2
silkspawners:ForestSpawner = 0
silkspawners:SnowSpawner = 0
silkspawners:Eneder_Supreme_Spawner = 0
</HarvestLevel>