To the publishers of Allen's "Geographical and Industrial Studies: United States" we are indebted for the use of the map appearing at the end of the text. THE AUTHORS CONTENTS PAGE NEW YORK 3 CHICAGO 41 PHILADELPHIA 67 ST. LOUIS 89 BOSTON 105 CLEVELAND 137 BALTIMORE 155 PITTSBURGH 171 DETROIT 189 BUFFALO 207 SAN FRANCISCO 227 NEW ORLEANS 245 WASHINGTON 265 REFERENCE TABLES 299 INDEX 305 LIST OF MAPS PAGE The Boroughs of New York--Entrances to her Harbor 10 Manhattan Island and the City Parks 20 New York's Subway and Bridge Connections 29 Where Chicago was Founded 44 Chicago's Canals 48 Chicago To-day 60 Location of Philadelphia 69 Philadelphia To-day 80 Louisiana Purchase 90 St. Louis and her Illinois Suburbs 92 Map of Boston and its Vicinity 106 The City of Boston 118 Boston's Land and Water Connections 120 Cleveland and her Neighbors 140 The City of Cleveland 144 The City of Baltimore 164 Location of Baltimore 168 The Pittsburgh District 173 The City of Pittsburgh 179