Running wild in 160,000 acres of North-West Colorado, the wild mustangs of Sand Wash Basin are a heady mix of raw energy, majestic beauty, violent battles and tender affection... (Oh, and maybe don't go if it rains!) As a relatively recent European 'transplant' to beautiful Colorado, the mythology of the American Mustang has long been a captivating mental image and I was full of anticipation as I made the 290 mile trip from Denver to Sand Wash Basin on the outermost edge of N