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Hill, Napoleon, Allen, James (la Trobe University Victoria) (1) Schreiner, Thomas, Merkle, Benjamin (1) Poppoon, Stephen James (1) Williams, Mary (1) Mackenzie, Darryl I. (proteus Research And Consulting, Nichols, James D. (u.s. Geological Survey, Royle, J. Andrew (research Statistician, Pollock, Kenneth H. (north Carolina State University (1)

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