The most likely location for flooding shown on the topographic map below would be

Early in the story when tom finds an indian skull in the woods which he kicks in temper. the devil then makes his appearance and, as tom surveys him, he notices that the devil is neither "negro" nor "indian." in fact, he has a "swarthy" complexion and is "begrimed with soot."

It's lithogenous i believe of course i looked it up.

Answerepicenter;

Answera discharge of static electricity;