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FOURTEENTH ANNUAL REPORT

OF THE

DIRECTOR

OF THE

UNITED STATES GEOLOGICAL SURVEY.

Part I.-REPORT OF DIRECTOR.

CONTENTS.

REPORT OF THE DIRECTOR.

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Letter of transmittal........
Plan of work for the fiscal year 1892–93.

Appropriations.....
Plans for topography ....

Organization ...
Work east of the ninety-seventh meridian.

Northeastern section

Southeastern section.......
Work west of the one hundred and third meridian

Central California ..........
Southern California........
Colorado and Montana ......
Idaho.....................
Texas.
Wyoming..........
Washington ....
Aspen, Colorado ...............
Stream gauging and special map work..
Office salaries...

...
Supervision and disbursement

........
Work west of the ninety-seventh meridian in North Dakota, South

Dakota, Nebraska, Kansas, and Oklahoma.

Stream gauging and special map work ....
Plans for geology.....

Organization .....................
Division of Geologic Correlation
Atlantic Coast Division
Archean Division ...
New Jersey Division ......
Potomac Division.....
Appalachian Division .....
Florida Division .............
Division of Glacial Geology -
Lake Superior Division .....
Division of Zinc ..
Montana Division ..........
Yellowstone Park Division..
Colorado Division........
Cascade Division ...
Petrographic Laboratory ..
California Division .
Work of Mr. Ward....

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Plan of work for the fiscal year 1892–73—Continued.
Plans for geology-Continued.

Office expenses.........
Reserve...................

Summary of allotments ..
Plans for paleontology ........
Plans for chemistry ........
Miscellaneous plans .........

Division of Ilustrations ..............
Division of Mining Statistics.
Division of Engraving and Printing....
Division of Library and Exchanges..

Editorial Division ......... ........
Organization and progress of the year's work
Topographic work

Surveying .......

Engraving ......
Geologic work.

Organization
Geologic mapping ....

Reconnaissance mapping...,
Paleontologic work .
Work in chemistry...
Hydrographic work.........
Miscellaneous ....

Work on illustrations...
Work in engraving ..
Work in the library...

Editorial work.
Synopses of publications

Disbursements ...
Necrology ........
General work in taxonomy.........

Growth of classification ..........
Relations of sedimentary rocks.............
Correlation of sedimentary formations ....
Relations of igneous rocks.........
Summary of work on igneous rocks..............
Relations of the ancient crystalline rocks.......
Summary of work on Algonkian and Archean rocks
Organization ..........

......... .
Methods of work.........
Geologic nomenclature.
Structural results....
Economic results
Petrology ....................

Areal mapping ..............
Relations of Pleistocene deposits .......
Nature and results of the surveys of glacial formations
Relations of land forms .....
Résumé.

........ General summary of paleontologic work.

Organization ....
Paleozoic Division......
Mesozoic Division ..

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General suinmary of paleontologic work-Continued.

Cenozoic Division.........
Division of Vertebrates....
Division of Paleobotany.........
Division of Fossil Insects....
Paleontologic correlation ......
Collections .....................

Organization and method ....
Collections not yet placed in the National Museu
Collections from Paleozoic rocks
Collections from Mesozoic rocks ......
Collections from Cenozoic rocks..
Collections of fossil vertebrates ...
Collections of fossil plants....
Collections of fossil insects.............
Preparation for Columbian Exposition

Publications......
General summary of work in terrestrial physics

Rigidity...........
Cohesion and chemic action...
Pyrometry....................
Piezometry..............................
Compressibility and thermal expansion.
Continuity of solid and liquid states
Igneous fusion as related to pressure
Geysers and hot springs ..
Isogeotherms .........
High pressure cbemistry....
Sedimentation ....
Heat conduction .....
Electrical activity of ore bodies..

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Report of Mr. Henry Gannett...

Mr. A. H. Thompson ....
Mr. G. K. Gilbert ........
Mr. Arnold Hague ........
Mr. G. F. Becker....
Prof. T. C. Chamberlin
Prof. N. S. Shaler .........
Prof. C. R. Van Hise
Mr. Bailey Willis.....
Mr. W. J. McGee
Mr. S. F. Emmons .....
Mr. J. S. Diller..
Mr. Whitman Cross
Mr. George H. Eldridge.
Prof. B. K. Emerson.
Mr. T. Nelson Dale ......
Mr. C. D. Walcott .......
Mr. T. W. Stanton .......
Mr. W. H. Dall
Mr. Lester F. Ward.
Prof. 0. C. Marsh.
Mr. F. W. Clarke ......

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