George Perkins Marsh
Woodstock, Vermont, USA, March 15, 1801 – Vallombrosa, Italy, July 23, 1882
The Earth as Modified by Human Action
, (1874)
George Perkins Marsh Research Centre, University of Vermont
Woodstock, Vermont, USA, March 15, 1801 – Vallombrosa,
Italy, July 23, 1882