. Report of the geological exploration of the fortieth parallel . VOLUME I. M ■:■■ c.^-:\ ~yr.] 4r;?arall^l. < < < UNITED STATES GEOLOGICAL EXPLORATION OF THE FORTIETH KING. GEOLOGIST-IN-CnARGE. SYSTEMATIC GEOLOGY CLA-REN^CE KING U. 8. GEOLOGIST. SUBMITTED TO THE CHIEF OF ENGINEERS AND PUBLISHED BY OKDER OF THE SECRETARY OFWAR UNDER AUTHORITY OF CONGRESS. ILLUSTRATED BY XXVIU PLATES AND XII ANALYTICAL GEOLOGICAL MAPS, ANDACCOMPANIED BY A GEOLOGICAL AND TOPOGRAPHICAL ATLAS. WASHINGTON: GOVERNMENT PRINTING OFFICE. 1878. V-VI TABLE OF CONTENTS, Page. Introdxjcto
. Report of the geological exploration of the fortieth parallel . VOLUME I. M ■:■■ c.^-:\ ~yr.] 4r;?arall^l. < < < UNITED STATES GEOLOGICAL EXPLORATION OF THE FORTIETH KING. GEOLOGIST-IN-CnARGE. SYSTEMATIC GEOLOGY CLA-REN^CE KING U. 8. GEOLOGIST. SUBMITTED TO THE CHIEF OF ENGINEERS AND PUBLISHED BY OKDER OF THE SECRETARY OFWAR UNDER AUTHORITY OF CONGRESS. ILLUSTRATED BY XXVIU PLATES AND XII ANALYTICAL GEOLOGICAL MAPS, ANDACCOMPANIED BY A GEOLOGICAL AND TOPOGRAPHICAL ATLAS. WASHINGTON: GOVERNMENT PRINTING OFFICE. 1878. V-VI TABLE OF CONTENTS, Page. Introdxjctory Letter xi. Chaptek I. Area and Exploration of Fortieth Parallel 1 Chapter II. Arch^an. Section I. Arch^an Exposures 15 II. Correlation op ARcniEAN Eocks 99 III. Genesis of Granite and Crystalline Schists. 112 IV. PreCambrian Topography 122 Chapter III. Paleozoic. Section I. Paleozoic Exposures 127 II. Eecapitulation OF Paleozoic Series 227 Chapter IV. Mesozoic. Section I. Triassic 249 II. Jurassic 285 III. Cretaceous 296 Chapter V. Cenozoic. Section I. Eocene Tertiary 359 11. Miocene Tertiary 408 IIIreportofgeologic01unit
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