White Rock Lakes along the Ptarmigan Traverse (North Cascades),
August 2012
David H. Collingwood
Professor of Mathematics and Undergraduate Program Director
University of Washington
David H. Collingwood
University of Washington
Department of Mathematics, Box 354350
Seattle, WA 98195-4350
USA
Phone: (206) 543-1905
Fax: (206) 543-0397
E-mail:
colling@math.washington.edu
Last updated on 17 August 2012.