CONTENTS. 
Page- 
Introductory  note 5 
Description  of  authorities 5 
Abbreviations  of  names  of  railroads 12 
Other  abbreviations 19 
Altitudes  in  Alabama 21 
Alaska 
Arizona 45 
Arkansas 53 
California 71 
Colorado 139 
Connecticut 168 
Delaware 
District  of  Columbia 183 
Florida 
Georgia 195 
Idaho 
Illinois 218 
Indiana - 
Indian  Territory 
Iowa 300 
Kansas 333 
Kentucky 
Louisiana 37" 
Maine 391 
Maryland 405 
Massachusetts 
Michigan 445 
Minnesota 472 
Mississippi .502 
Missouri -517 
Montana 
Nebraska 565 
Nevada 583 
New  Hampshire 592 
New  Jersey 605 
New  Mexico 
New  York 653 
North  Carolina 758 
North  Dakota 776 
Ohio 785 
Oklahoma 824 
Oregon 
Pennsylvania B43 
Rhode  Island 903 
3 
