Jim and Huck find the house to be a mess, and find whiskey, playing cards, and obscene graffiti (symbolizing human vices). Most importantly, they find the body of Huck's murdered father, who was shot...
Huck's pap
There was "baker's bread" floating down the river, which is the quality bread.
His Dad
Key to their adventure was finding a large Raft. At oher times in the story they found other objects like wrecked steam boat, a canoe and a house.