Mud can be harvested from all dirt terrain tiles and thus is quite easily obtained by a Soil miner.
Mud is a resources used in Building it comes into play at the start of the copper age and lets you build the newer buildings like Houses lvl 2.
The resource mud is unlocked by the tech Mud building.
Mud is used to produce Mudbricks.
Mud collects at about 0.01 per dirt tile
Mud cannot be gathered from Sand, gravel, clay and stone tiles.
Mud can also not be collected from dirt that has a building on it.
- Building material