TABLE OF CONTEXTS. 



TABLE OF CONTENTS. 



PAGE. 



Objects and Uses of the Work, - 3 



Dana's Table of Formations, - 8 



Descriptions of the Formations 9 



1 a. Laurentian, 10 



Ib.Norian, 11 



1 c. Huronian, 12 



1 d. Montalban, 13 



2 a. Acadian, 14 



2 b. Potsdam, - 14 



3 a. Calciferous, 16 



3 b. Quebec, 16 



3 c. Chazy, 17 



3 c. St. Peter's, 17 



4 a. Trenton, 18 



4b. Utica, 19 



4 c. Hudson Eiver or Cincinnati, - - 20 



5 a. Medina, 22 



5 b. Clinton, 23 



5 c. Niagara, 24 



6. Salina, --25 



7. Lower Helderb erg, - 28 



8. Oriskany, 28 



9. Upper Helderberg, 29 

 9 a. Cauda-galli, - ..... 29 



9 b. Schoharie, 29 



9 c. Onondaga, ------ 29 



9 d. Corniferous, 30 



10 a. Marcellus, 30 



10 b. Hamilton, 31 



10 b. Tally Limestone, .... 32 



10 c. Genesee, 33 



11 a. Portage, 34 



11 b. Chemung, 35 



12. Catskill, 36 



13 a. Lower Sub-Carboniferous, - - 37 



13 b. Upper Sub-Carboniferous, - - 38 



14 a. Millstone Grit, .... 39 

 14 b. & c. Lower and Upper Coal Measures, 39 



15. Permian, 40 



16. Triassic, 41 



17. Jurassic, ------ 43 



18. Cretaceous, 43 



19. Tertiary, - 44 



20. Quaternary, 45 



Eemarks on the Descriptions, - 48 

 Directions for Using the Guide, - - 49 

 Dana's Table of Formations, - 50 

 T. S. Hunt's Table of Formations, - - 51 

 Geological Railway Guide, Eastern- 

 Canada, 52 



Table of New England Formations, - 56 



Maine, 57 



New Hampshire, 



Vermont, 



Massachusetts, 



Rhode Island, 



Connecticut, - 



New York, - 



New Jersey, - 



Pennsylvania, 

 Western- 

 Ohio, - 



Michigan, - 



Indiana, 



Illinois, 



Wisconsin, - 



Minnesota, 



Dakota, 



Iowa, 



Missouri, 

 Far- Western- 

 Kansas, - 



Colorado, - 



Nebraska, - 



Wyoming, 



Utah, - - 



Nevada, 



California, 



Washington, 



Oregon, 



South-Eostern 



Delaware and Eastern Maryland, 



Maryland and District Columbia, - 



West Virginia, - 



Virginia and West Virginia, - 



- - 109 



- 115 



- - 122 



- 129 



- - 139 



- 145 



- - 147 



- 148 



- - 154 



- - 159 



- 162 



- - 163 



- 166 

 167 and 168 



- 167 

 - 169 



- 173 



- 174 

 175 



- 177 

 179 



North Carolina, 186 



South Carolina, 187 



Georgia, 188 



Florida,- 208 



gouth-Western- 

 Kentucky, 191 



Tennessee, 196 



Alabama, 200 



Mississippi, 204 



Louisiana, 205 



Arkansas,- - ' - - - - - 206 



Indian Territory, 208 



. . .... - - - 207 



Territories without Railways- 

 Alaska, 



Arizona, 



Idaho, 



Montana, 



New Mexico, .... 



