U.S. Geological Survey
Professional Paper 1422-A
by Lindsay A. Swain, Thomas O. Mesko, and Este F. Hollyday
The text and graphics are presented here in pdf format (print quality):
The report is 7.2 MB.
The body of the report can be downloaded in parts for a faster download time:
Part 1 (4.9 MB)
Part 2 (2.4 MB)
If you have Adobe Acrobat Reader installed on your computer, you may view or print the PDF version of this report. If you do not have Acrobat Reader, you may download it here.
Users with visual disabilities can visit this site for conversion tools and information to help make PDF files accessible.