CONTENTS. 



vii 



CHAPTER XXVI. 



GEOLOGY OF THE UNITED STATES. 

 ALLUVIAL AND DILUVIAL FORMATIONS. 



Diluvium. — Causes of Diluvial Depositee.— General Deluge.— 

 Existing Causes. — Diluvium of Cape Cod. — Alluvium. — 

 W^here Found. — Banks of Rivers. — Seas. — Lakes. — Long Isl- 

 and. — Dunes or Downs. — How Found. — Phenomena of 



Page 2": 9 



CHAPTER XXVn. 

 FOSSIL GEOLOGY OF THE UNITED STATES. 



Definition. — Paleontology.—Buckland's Remarks on the Study 

 of Fossil Geology. — Tournefort's Idea of Fossils. — John 

 Locke's do. Petrifactions. — How produced. — Illustrations. — 

 Organic Remains. — How Coloured.— Fossil Mammaha of the 

 United States. — Big Bone Lick. — Mastodon.— Megatherium, 

 &c. — Period when these Remains were deposited. — Most re- 

 markable Forms of Fossil Organization.— Encrinital or CH- 

 noideal Limestone 290 



CHAPTER XXVm 



MINERAL RESOURCES OF THE UNITED STATES. 



General Remarks. — Coal. — Rhode Island Coal-fields. — Massa- 

 chusetts Coal-fields. — Mansfield. — Anthracite Coal-fields of 

 Pennsylvania.— Amount Produced and Consumed since the 

 Mines first opened. — Bituminous Coal-fields of Pennsylvania. 

 — Coal-fields of Maryland — Of Virginia — Of Ohio — Kentucky 

 —Tennessee. — Other Coal Measures of the United States 302 



CHAPTER XXIX. 



MINERAL RESOURCES OF THE UNITED STATES 



(Continued). 



IRON. 



iron.— Its importance in the Arts.— Iron in Maine— New-Hamp- 

 shire— Salisbury (Conn.)— State of New-York— Columbia- 

 Dutchess and Orange Counties. — The Stirling Mine.— Iron in 

 Frankhn and St. Lawrence Counties. — Iron Ores of New-Jer- 

 sey— Of Pennsylvania and Ohio —Dr. Hildreth's Report 324 



