Butterflies of Dawson County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=5572&_dcc=1&si=44

Mesa Underground Water Conservation District
- Conservation and protection of Ogallala aquifer. Includes rules and regulations, board members, links for kids, and information on used oil collection program.
- http://www.mesauwcd.org/

Amphibians and Reptiles in Dawson County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/DAWSO058.HTM