Related Clues:

• Missouri, e.g.
• Runs
• Creeks
• Hudson, e.g.
• Fords are made here
• Snake, for one
• Torrents
• Water under the bridge
• Tributary
• See 32-Across
• Banks hold it
• Tombigbee or Pee Dee
• See 27-Down
• Snake, e.g.
• ...