a multiplayer game of parenting and civilization building
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https://onetech.info/1106-Dug-Fertile-Soil-Pit-partial
Clay pits can be later dug for clay, so this seems like a bug.
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It's been like this since forever, it's an intended interaction and a realistic representation of how soil pits are in real life.
There's a surface soil and a subsoil that's usually made of clay or other materials (that aren't in game yet).
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Oh ok
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