Pronghorn antelope make the second longest migration of any North American land animal. But their ancient migration routes are threatened by livestock fencing. That's because, for all their speed - they have been clocked at 65 mph - pronghorn won't jump over barbed wire fences, and have difficulty passing under. This episode of Mountain West Voices looks at an innovative solution to the dilemma.

This week on Mountain West Voices, we visit with acclaimed Montana singer-songwriter John Dendy about his strikingly original work.

This week on Mountain West Voices: A visit with the band "Scatter Their Own" from the Pine Ridge Reservation in South Dakota. Pine Ridge is a vast, sparsely populated reservation with the highest poverty and unemployment rates in the nation. But for Scotti, Scotti Junior and Julianna Clifford, their land and their Oglala Lakota culture are things of profound beauty to be celebrated in song.

This week on Mountain West Voices: Guss Yellowhair, a Lakota artist from South Dakota's Pine Ridge Reservation, talks about his role as "culture bearer," and about the importance of passing on tradition through language and music.

This week on Mountain West Voices: The late Pauline Olson, a harness maker from the small Rocky Mountain town of Augusta, Montana, talks about a life "short on money, but long on everything else."

This week on Mountain West Voices, we visit the class of award-winning biology teacher Jim Schulz, of Helena, Montana, on his last day of teaching before he retires.

This week on Mountain West Voices: Johanna Davis and Adam Nordell of Sassafrass Stomp share original and traditional tunes, and talk about their Maine and Montana roots, and about balancing their lives as working farmers and working musicians.

This week on Mountain West Voices: Clay Scott travels through the Powder River Basin in northeastern Wyoming - the nation's most important coal-producing region - to talk with miners, ranchers and others who work in coal, or whose lives are affected by it.

This week on Mountain West Voices: An entrepreneurial Montana woman turns her small farm town into a Mecca for prom dresses, drawing high school girls from all over Montana, and as far as North Dakota, Alberta, Saskatchewan and British Columbia.

This week on Mountain West Voices: This month marks the 70th anniversary of the American invasion of Iwo Jima, one of the deadliest battles in the Pacific during World War II. Producer Danielle Thomsen recently spoke with a survivor of that battle, 88 year old Paul Milam. Milam recalls his impressions of Iwo Jima as an inexperienced 19-year-old from Bozeman, Montana.