[Illustration: PROSPECTING THE GROUND.]
[Illustration]
UNDERGROUND TREASURES:
HOW AND WHERE TO FIND THEM.
A KEY
FOR THE READY DETERMINATION OF ALL THE USEFUL
MINERALS WITHIN THE UNITED STATES.
BY JAMES ORTON, A.M.,
_Late Professor of Natural History in Vassar College, N. Y.; Cor.
Mem. of the Academy of Natural Sciences, Philadelphia,
and of the Lyceum of Natural History, New York;
Author of “The Andes and the Amazon,” etc._
A NEW EDITION WITH ADDITIONS.
ILLUSTRATED.
PHILADELPHIA:
HENRY CAREY BAIRD & CO.,
INDUSTRIAL PUBLISHERS, BOOKSELLERS AND IMPORTERS,
810 WALNUT STREET.
1881.
Entered according to Act of Congress, in the year 1872, by
WORTHINGTON, DUSTIN & CO.,
In the Office of the Librarian of Congress, at Washington, D. C.
Copyright:
HENRY CAREY BAIRD & CO.
1881.
_Table of Contents._
CHAPTER I.
.....PAGE.
INTRODUCTION.--Money in the Rocks--The Underground Wealth
of our Country--Valuable Minerals Disguised--How Great Fortunes are
Missed--Number of Minerals in the United States--Object of this Work
and How to Use it--The Best Mineral Regions.....9