October 2017 Montana PBS Viewer's Guide

The October issue features: The Enemy on Our Shores from The Rundown with Beth Saboe, which explores the most devastating invasive species in the world: zebra and quagga mussels. Native to eastern Europe, these aquatic invaders can inflict colossal destruction on reservoirs, rivers, and irrigation systems.

 
 

Looking for a different month?
A list of all available online guides are available here   (March 2012-current)