Directory of Geological Material in North America

By J. V. Howell; A. I. Levorsen et al. | Go to book overview

FOREWORD TO FIRST EDITION

As petroleum exploration becomes more complex, the data upon which it is based become more diverse in character. Maps of all kinds; well information; aerial photographs; geologic publications, books, reports, and descriptions; and specialized services of many sorts are some of the basic data used daily. The geologist working in one area gradually becomes familiar with the sources of this information, but if he must work in many areas and examine new regions, much time is often spent in the mere searching for source material and often much valuable material is not used because it is not found.

The directory which follows arose from the belief of the writers that it would be of service to other geologists and would provide them with a start, at least, toward obtaining necessary information when working in any of the states, provinces, or countries of North America. The aim has been to supply addresses and sources of information, leaving it to the user to develop the details of what material is available, its cost, and its reliability. The type of material which was to be included was arbitrarily limited to that which is more commonly used by petroleum geologists but much of it may be useful to other geologists as well. Furthermore, it does not list geophysical surveying companies, well service companies, well drilling contractors, or similar commercial organizations which supply confidential information or services under contract.

The directory is divided into two parts, a general section comprising material of a general character, or information which applies to the continent, to a whole country, to large areas, or to the field of geology as a whole, and a local section in which the information is listed under states and provinces and in which the data are of local application.

The collaborators, without whose help this compilation could not have been made, are credited at the head of each geographic unit. To each of them, for cordial cooperation, the writers wish to express their appreciation and gratitude.

No doubt there have been omissions of essential sources, and there may also be errors in addresses and names. The writers will welcome any additions or corrections from users of the list, and will save them for possible future revision, should the work be found sufficiently useful to justify another edition.

J. V. HOWELL
A. I. LEVORSEN

May 10, 1946.

-iv-

Notes for this page

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Default project is now your active project.
Project items

Items saved from this book

This book has been saved
Highlights (0)
Some of your highlights are legacy items.

Highlights saved before July 30, 2012 will not be displayed on their respective source pages.

You can easily re-create the highlights by opening the book page or article, selecting the text, and clicking “Highlight.”

Citations (0)
Some of your citations are legacy items.

Any citation created before July 30, 2012 will labeled as a “Cited page.” New citations will be saved as cited passages, pages or articles.

We also added the ability to view new citations from your projects or the book or article where you created them.

Notes (0)
Bookmarks (0)

You have no saved items from this book

Project items include:
  • Saved book/article
  • Highlights
  • Quotes/citations
  • Notes
  • Bookmarks
Notes
Cite this page

Cited page

Style
Citations are available only to our active members.
Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

1

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited page

Bookmark this page
Directory of Geological Material in North America
Table of contents

Table of contents

Settings

Settings

Typeface
Text size Smaller Larger Reset View mode
Search within

Search within this book

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Help
Full screen
/ 208

matching results for page

    Questia reader help

    How to highlight and cite specific passages

    1. Click or tap the first word you want to select.
    2. Click or tap the last word you want to select, and you’ll see everything in between get selected.
    3. You’ll then get a menu of options like creating a highlight or a citation from that passage of text.

    OK, got it!

    Cited passage

    Style
    Citations are available only to our active members.
    Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

    1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

    Cited passage

    Thanks for trying Questia!

    Please continue trying out our research tools, but please note, full functionality is available only to our active members.

    Your work will be lost once you leave this Web page.

    For full access in an ad-free environment, sign up now for a FREE, 1-day trial.

    Already a member? Log in now.