Prosper Demontzey était un géologue spécialisé dans l'étude de l'érosion des sols et de l'impact des activités humaines sur l'environnement. Dans ce livre, il analyse les conséquences désastreuses de...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the...