Could 25N8 have a cave?Here are a couple:
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Caves are usually legal at the end of a gully (e.g. 25M6) facing toward the depression hexside or at a bend (25M7, 25O6) facing toward one of the depression hexsides. The article shows examples of bends or ends are not legal. There are no other ways to place caves in 25M6 and 25M7, but there another cave could be placed in 25O6 facing 25N5. 25N5 could have one cave in it, as could 25O8. I believe 25O6 and 25N8 could each have two. 25N6 cannot have any cave in it: any cave would have to face one of the depression hexsides, and in all the those directions the hex behind the cave hex has a lower base level.
Yes, two. You could also consider one of the adjacent hexes, 25M9, 25M8 & 25N7 as a crest-line cave facing 25N8. Depression caves have limited LOSes typically, which can be bad or good depending.Could 25N8 have a cave?