USEFUL LINKS
Equipment Manufacturers
Canon photographic equipment www.canonusa.com 
Tamron lenses www.tamron.com
Adobe software www.adobe.com
   
Retail Suppliers
Camera Land, Burlington, Iowa www.camera-land.com
Porter's Camera Store, Cedar Falls, Iowa www.porters.com
   
Reference Websites, Organizations, & Galleries
Northern Prairie Wildlife Research Center www.npwrc.usgs.gov
Butterflies of North America www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/ia/toc.htm
Dragonflies and Damselflies of Iowa www.iowaodes.com
Art Guild of Burlington www.artguildofburlington.org
Nature Photography by Stephen Cresswell www.stephencresswell.com
www.photolinks.com