Water Divining

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Across
  1. 1. a type of wire used for divining rods?
  2. 2. where did US Marines use them?
  3. 3. a type of tree used for dowsing sticks?
  4. 5. who used them to find silver?
  5. 6. who used them to find criminals?
  6. 7. what were divining rods considered?
Down
  1. 1. who's idea was this mahi?
  2. 4. which church banned them?
  3. 6. which World War were they used in?