Excerpt from Tertiary Deposits of Northeastern Mexico Lying to the east of that portion of the main body Of the mountainous highlands or Cordilleras Of Mexico known as the Sierra Madre Oriental, which, beginning at the Sierra Carmen on the Rio Grande border, extends southeastwardly by way Of Monterey and T amasopa, there is a broad valley, interrupted in many parts by hills. This valley in turn is bordered on the east by disconnected ranges and groups of hills, which, as a whole, are roughly parallel to the main range and ...
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Excerpt from Tertiary Deposits of Northeastern Mexico Lying to the east of that portion of the main body Of the mountainous highlands or Cordilleras Of Mexico known as the Sierra Madre Oriental, which, beginning at the Sierra Carmen on the Rio Grande border, extends southeastwardly by way Of Monterey and T amasopa, there is a broad valley, interrupted in many parts by hills. This valley in turn is bordered on the east by disconnected ranges and groups of hills, which, as a whole, are roughly parallel to the main range and to the course of the Rio Grande. Among these groups and ranges may be named the San Antonio, San Juan, Vallecillo, Picachos, Papagallos, San Carlos and Tamaulipas. Prof. Cummins has proposed that these be known collectively as the Tamaulipas Range, which is seem ingly warranted by the common origin of the groups. This range consists of deposits of shales and limestones of late Cretaceous age, more or less altered and disturbed by igneous activity and by folding, and as the trend Of the coast in this region is a little west Of south, the southeast course of the Tamaulipas Range brings it rapidly nearer the. Gulf until, in the region around Tordo Bay, fifty miles north of T ampico, the hills Of this range are within ten miles of the coast and scattered peaks and ridges Of later eruptives occur within four miles or less Of the Gulf shore. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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