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How to Create an Automatic Cobblestone Generator in Minecraft « Minecraft :: WonderHowTo
I present to you the 4 cobblestone generator with only 1 bucket of lava and 1 bucket of watter : r/Minecraft
1.6.2 Fastest, cheapest and best cobblestone generator! - Redstone Creations - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
Tutorials/Cobblestone farming – Minecraft Wiki
Fastest Cobblestone Generator for Manual Mining | Minecraft - YouTube