Scientists can tell how old a fish is by reading the growth rings on the fish scales, a lot like they do with tree rings. 

Wyoming Blue-Ribbon Fly Fishing Guide

May 1, 2016 | Categories: Fun Stuff,Resources

Wyoming Blue-Ribbon Fly Fishing Guide  –  Book by Greg Thomas

Spectacular photography and in-depth local knowledge highlight these useful fly-fishing guides; many fly-fishers are enjoying the enormously popular “Blue-Ribbon Fly Fishing Guide” series. …

 

Wyoming Fly Fishing