Visit us at diatoms.org

Diatoms of the United States is now known as Diatoms of North America.
This site has been redesigned and updated, and will be closing soon.

Contact Us

Questions? Concerns? Comments?

Please check the FAQ (Frequently Asked Questions) page first.

If you do not find an answer in the FAQ, contact Sarah Spaulding.  She will respond to you within a few days. If she can't help you directly, she will put you in touch with someone who can.


Sarah A. Spaulding

US Geological Survey / Institute of Arctic and Alpine Research
Campus Box 450

University of Colorado
Boulder CO 80309

sspaulding@usgs.gov
sarah.spaulding@colorado.edu