Butterflies of Colusa County
List of butterfly species including descriptions and photographs by the Northern Prairie Wildlife Research Center of the US Geological Survey.
CERES - Colusa County
An index to environmental information for the county. Extensive reference includes road, weather, and flood conditions, demographics, historical resources, maps.
Rice Straw Feedstock Supply Study for Colusa Count
Presenting alternative uses for rice straw to avoid disposal by burning. Contains background, searchable library of published work on the subject and links to other resources.