Hot dry rock geothermal energy Hot dry rock geothermal energy Hot dry rock (HDR) is an abundant source of geothermal energy available for use. A vast store of thermal energy is contained within hot - but essentially dry - impervious crystalline basement rocks found almost everywhere deep beneath the earth’s surface. A concept for the extraction of useful amounts of geothermal energy from HDR originated at the Los Alamos National Laboratory in 1970, and Laboratory researchers were awarded a U.S. patent covering it. Although often confused with the relatively limited hydrothermal resource already commercialized to a large extent, HDR geothermal energy is very different. Whereas
What the Cowgirls Do by Calvert DeForest. "What the Cowgirls Do" debuted at number 71 on the U.S. "Billboard" Hot Country Singles & Tracks for the week of July 9, 1994. What the Cowgirls Do "What the Cowgirls Do" is a song co-written and recorded by American country music artist Vince Gill. It was released in July 1994 as the second single from the album "When Love Finds You". The song reached number 2 on the "Billboard" Hot Country Singles & Tracks chart. It was written by Gill and Reed Nielsen. Deborah Evans Price, of "Billboard" magazine reviewed the song favorably saying that the