RPM can overlay 3 to 28 in. diameter pipe, and elbows up to 5DCLR for long, economical wear life.
Rapid City, the Black Hills, and South Dakota ... Our Home
The Black Hills are home to one of only two herds in the world that are pure-blooded buffalo. The American buffalo population has gone from 60 million in the 15th century, to less than 1,000 in 1900, but has now climbed back up to 30,000.