Why did Grandma want to stop the raft?

Why was Dead Man's Creek called Dead Man's Creek? Give story details in your answer to explain the name.

. Where did Charlie sleep while the raft?

First one is she wanted to eat and stretch her legs

Second is a mans wagon broke down and his horse ran away so the man gave up on life, put his head in the river and died peacefully.

Third is he slept on the bundle of blankets / wool that they brought