Automatic cobblestone generator using only Quark and vanilla redstone (1.14.4) : r/feedthebeast
Minecraft 1.19 how to make a simple cobblestone generator
Automated Cobblestone Generator by RudeCanadian on DeviantArt
Tutorials/Cobblestone farming – Minecraft Wiki
1.8-1.11+] Simple Efficient Automatic Cobblestone Generator - Tutorials - Videos - Show Your Creation - Minecraft Forum - Minecraft Forum
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Automatic Cobblestone / Stone Generator, creation #9422