Diamond in the Rough (album) (United States), RPM (Canada) Diamond in the Rough (album) Diamond in the Rough is the fourth studio album released by American country artist Jessi Colter. It was the second album issued by Colter in 1976; the previous was "Jessi", released earlier in the year. "Diamond in the Rough" was issued under Capitol Records and was produced by Ken Mansfield. "Diamond in the Rough" was issued as Colter's second studio album in 1976, containing ten new tracks, which included a cover of The Beatles's "Hey Jude". The album only spawned one single released in 1977, titled "I Thought I Heard You
Kelsey Lake Diamond Mine Kelsey Lake Diamond Mine Kelsey Lake Diamond Mine is a defunct diamond mine in Colorado, USA. It is located in the State Line Kimberlite District, near the Wyoming border, and consists of nine kimberlite volcanic pipes, of which two were open pit mined. At the time it was operating, it was the United States' only modern diamond mine, and only the second commercial diamond mining operation in North America, the first being in the Crater of Diamonds State Park, Arkansas which was mined in the early 1900s. Ever since diamonds had first been found in the State Line Kimberlite District