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I wish to exercise only limited copyright, as set out above under a Creative Commons License,  on any of the pages within the jclahr.org/science.html web domain that I have authored.  This includes text, images, and video clips that are located on this web site.  Naturally it does not extend to pages that I have linked to.  I would only ask that you let me know if you use of any of these materials, credit their source, and include a link back to the source page.  Some of the pages included here are updated versions of some of my U.S. Geological Survey Open-file Reports.  It is USGS policy not to copyright its publications.

John Lahr

12/17/2002