U.S. Geological Survey Fact Sheet 0142-99
Version 1.0
The text of this report is presented here in Portable Document Format.
Adobe Acrobat Reader 4.0™ is required to view it.
If you wish to download the latest version of Acrobat Reader free of charge, click here.
Fact Sheet PDF file (2.2 MB)
AccessibilityFOIAPrivacyPolicies and Notices