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Submitted on: 09 June 2015.
Revised on: 27 August 2015.
Accepted on: 10 September 2015.
___________________ENVIRONMENTAL HISTORY---UNIV CHICAGO PRESS
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Submitted on: 13 January 2007.
Revised on: 02 May 2007.
Accepted on: 15 June 2007.
___________________ENVIRONMENTAL HISTORY---UNIV CHICAGO PRESS
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