The Geologic Resources Division of the National Park Service initiated and funded the development of this manual to provide guidance for resource managers seeking to establish the status and trends of geologic resources and processes within the National Park ...

<p>The paper discusses the city of S&atilde;o Paulo, one of the largest cities in the world, situated at the head of a basin drained by the Tiet&ecirc; River. This important river played a major role in the exploration and colonization of a large portion of ...