Over the years we've had a few excellent Western Mini Series ... Lonesome Dove and Deadwood come to mind immediately.
Currently we have two very good Western Mini Series: Copper and Hell On Wheels. The production qualities are excellent in both series so if you haven't picked up on them yet, I invite to have a look.
Below are a couple of images and Trailers. The Hell on Wheels trailer is brilliant.
Enjoy.
COPPER MINISERIES Banner
COPPER MINISERIES poster
http://www.bbcamerica.com/copper/videos/series-trailer-he-was-new-yorks-finest/
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HELL ON WHEELS opening Banner
HELL ON WHEELS Poster