NIOSH will host a free webinar on stone mine pillar design on Feb. 8 from 2-3 p.m. EST.  The session is intended for persons responsible for designing or evaluating the stability of stone mine layouts.  In a flyer announcing the webinar, NIOSH said mine design professional, regulators, mine planners and mine operating staff will find the training useful.  To attend, send an e-mail to mmmurphy@cdc.gov or call 412-386-4172.