== Messages ==
; The road would be too steep to traverse.
: Cannot dig a cobblestone road to over 20 slope steep.
; You are not allowed to drop dirt there.
: Cannot drop dirt on cobblestone road when the corner is surrounded on all sides by trees or similar tiles.
; You are not skilled enough to dig in such steep slopes.
: Slopes become too steep when the dirt slope is greater than 3x your digging skill. This includes any slopes on any tiles bordering the tile you wish to dig on. For example, with 5 digging skill, you can dig on a slope up to 15 steep.