Unless otherwise noted, all of the above publications are available from:

USGS Information Services
Box 25286
Denver, CO 80225
1-888-Ask-USGS
Fax: 303-202-4693

Orders for sales items are accepted by fax with a Visa or MasterCard number. When ordering, please include the ordering identification number that follows each publication description.

When applicable, World Wide Web addresses are given for those publications that can be downloaded. Both Hypertext Markup Language (HTML) and Adobe System, Inc., Portable Document Format (PDF) are given, when available.

Customers with access to fax machines or to personal computers with fax reception software can retrieve some of these publications, primarily fact sheets, by using the USGS Fax-on-Demand System. To access the system, users can call from a fax machine's handset or from a touch-tone telephone. Dial 703-648-4888 and press "2" on your telephone keypad for publication information. Then after selecting "2" again, you can key in the EARTHFAX number of the publication you want. You can request up to three documents per phone call.

Some publications are currently out of print. They may still be available through the Web or EARTHFAX. Such publications will be noted as "Web Only" or "EARTHFAX Only."