Aquatic Insects A Guide to Common Freshwater Invertebrates of North America by Reese Voshell
An Introduction to the Aquatic Insects of North America by R.W. Merritt
Dave Whitlock’s Guide to Aquatic Trout Foods by Dave Whitlock
Hatch Guide For Lakes by Jim Schollmeyer
Hatch Guide for Western Streams by Jim Schollmeyer

Field Guides
Amphibians and Reptiles in Colorado by Geoffrey Hammerson
Field Guide to Insects & Spiders by National Audubon Society
Guide to Colorado Wildflowers by G.K. Guennel
Mammals of Colorado by James Fitzgerald
The Birder’s Handbook by Paul Ehrlich

Curriculum Guides
Conserve Water Educator’s Guide by The Watercourse
Discover a Watershed: The Colorado by The Watercourse 
Healthy Water, Healthy People by The Watercourse
Project WET by The Watercourse
Project WILD Aquatic
Watershed Dynamics by William Carlsen
WOW! The Wonders of Wetlands by The Watercourse

Water Law
A Landowner’s Guide to Western Water Rights by Mary Ellen Wolfe
Water Law by David Getches

Water Quality
Field Manual for Water Quality Monitoring by Mark Mitchell
Streamkeeper’s Field Guide by Tom Murdoch
The Biology of Lakes and Ponds by Christer Bronmark
The Biology of Streams and Rivers by Paul Giller

General/Other
Grassland to Glacier by Cornelia Fleischer Mutel & John Emerick
The Kids’ Book of Weather Forecasting by Mark Breen
The Practical Geologist by Dougal Dixon
Watersheds by Clive Dobson
Winter: An Ecological Handbook by James Halfpenny

LiteratureCadillac Desert by Mark Reisner
Water: A Natural History by Alice Outwater