Tutorials/Cobblestone farming – Official Minecraft Wiki
How to Create an Automatic Cobblestone Generator in Minecraft « Minecraft :: WonderHowTo
Small Cobblestone Generator!, creation #5577
Made this Cobblestone generator that produces quite a lot of items (aprox. 960 items/minute). schematic in comments for those who want it ;) : r/CreateMod
automatic piston cobble gen schematic addon - Mod DB
Skyblock Cobblestone generator, creation #13635
Made this Cobblestone generator that produces quite a lot of items (aprox. 960 items/minute). schematic in comments for those who want it ;) : r/CreateMod
Simple Automatic Stone Generator 1.13/1.14 (120,000/h) - YouTube
Automatic Cobblestone / Stone Generator, creation #9422
Cobblestone Generator Minecraft Schematic
The most efficient cobblestone generator, creation #8455
Made this Cobblestone generator that produces quite a lot of items (aprox. 960 items/minute). schematic in comments for those who want it ;) : r/CreateMod