Fields, Herbert H. <br/><br/>
Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed 
Fields, Herbert H.; Perry, John H.; Deul, Maurice 
 - Washington  Bureau of mines  1975 
 - 14 p. 
 - RI 8025 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>GAS<br/>GAS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Pittsburgh (ESTADOS UNIDOS)<br/>Pittsburgh (UNITED STATES)
<br/><br/><label>Subjects--Index Terms: </label>GAS DE CALIDAD QUALITY GAS 
<br/><br/><label>Universal Decimal Class. No.: </label>665