John Klein: Researchers need volunteers' help with ancient history dug up in Oklahoma

Media coverage

• Title	John Klein: Researchers need volunteers' help with ancient history dug up in Oklahoma
  Media name/outlet	Tulsa World
  Country	United States
  Date	1/03/17
  Persons	Lindsey Yann

• Title	John Klein: Researchers need volunteers' help with ancient history dug up in Oklahoma
  Media name/outlet	Tulsa World (Oklahoma)
  Country	United States
  Date	1/03/17
  Persons	Anne Weil, Lindsey Yann