The Preparation of Illustrations for Reports of the United States Geological Survey

With Brief Descriptions of Processes of Reproduction

The Preparation of Illustrations for Reports of the United States Geological Survey
With Brief Descriptions of Processes of Reproduction

This edition features
• illustrations
• a linked Table of Contents, Footnotes, and Index

CONTENTS (abridged list)
Part I. Preparation by Authors.
Introduction
Purpose and value of illustrations
Selection and approval of illustrations
Submittal of illustrations
Kinds of illustrations
Sizes of illustrations
Subdivisions of plates and figures
Preparation of copy by authors
Character of original material
Preliminary preparation of maps
...
Part II. Preparation by Draftsmen.
General directions
Instruments
Classification of material
Preparation of maps
Projection
Details of base maps
...
Part III. Processes of Reproducing Illustrations.
Methods employed
Photoengraving
General features
Zinc etching
Copper etching in relief
Half-tone engraving
Three-color half-tone process
Wax engraving (the cerotype process)
Wood engraving
Photogelatin processes
Lithography
Original process
Photolithography
Offset printing
Chromolithography
Engraving on stone and on copper

Appendix.
Length of degrees of latitude and longitude
Metric system and equivalents
Geologic eras, periods, systems, epochs, and series
Chemical elements and symbols
Greek alphabet
Roman numerals
Mathematical signs
Names of rocks