Original: The Kobuk River (also Kooak, Kowak, Kubuk, Kuvuk, or Putnam)  is a river located in the Arctic region of northwestern Alaska in the United States.
Simplified: The Kobuk River (also Kooak, Kowak, Kubuk, Kuvuk, or Putnam)  is a river that is in the Arctic region of Alaska, in the United States.