Hot dry rock geothermal energy as a separate state from that of the continuum of permeable rock—just as one would consider a completely closed faucet as distinct from one that is open to any degree, whether the flow be a trickle or a flood. In the same way, HDR technology should be regarded as totally distinct from EGS. A definitive book on HDR development, including a full account of the experiments at Fenton Hill, was published by Springer-Verlag in April 2012. Hot dry rock geothermal energy Hot dry rock (HDR) is an abundant source of geothermal energy available for use. A vast store of thermal
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