CONTENTS. 
Vll 
CHAPTER XXVI. 
GEOLOGY OF THE T7NITED STATES. 
ALLUVIAL AND DILUVIAL FORMATIONS. 
Diluvium. — Causes of Diluvial Deposites.— General Deluge. — 
Existing Causes. — Diluvium of Cape Cod. — Alluvium. — 
Where Found. — Banks of Rivers. — Seas. — Lakes. — Long Isl- 
and. — Dunes or Downs. — How Found. — Phenomena of 
Page 279 
CHAPTER XXVII. 
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 Cri- 
noideal Limestone 290 
CHAPTER XXVIII. 
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. 
1«INERAL 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 
Franklm and St. Lawrence Counties. — Iron Ores of New-Jer- 
»ey— Of Pennsylvania and Ohio —Dr. Hildreth's Report 324 
