A Note about Portable Document Format:
These files are in Portable Document Format
(pdf). Adobe's free
PDF Reader is required to view such material. The reader may be downloaded
and installed as a helper application for your browser or, alternatively,
you can have your browser save the Acrobat (.pdf) files to disk and view
and print them offline with the Reader. In either case the chart can be
viewed and printed in its original colors and resolution.