TY - BOOK ID - 136209923 TI - Tests for methane at the working face, using extendable probes or other acceptable means. PY - 2013 PB - [Arlington, Virginia] : [U.S. Department of Labor, Mine Safety and Health Adminstration], DB - UniCat KW - Coalbed methane drainage KW - Mine atmospheres KW - Mine safety KW - Safety regulations UR - https://www.unicat.be/uniCat?func=search&query=sysid:136209923 AB - ER -