A large number of coal pillars were left behind during the mining of multi-coal seams. These pillars, when unstable, pose ...

The Vermilion Cliffs National Monument in Arizona is named after the Vermilion Cliffs, steep, predominantly sandstone ...

When unstable, coal pillars from multi-coal seams mining pose significant risks during both the production and closure stages ...

The researchers established the method of monitoring and evaluation of disaster risk caused by linkage failure and instability of residual coal ...

One of the many things to appreciate about our home planet is that buried in its layers of rock is a kind of time machine. These strata tell us so ...

One of the many things to appreciate about our home planet is that buried in its layers of rock is a kind of time machine. These strata tell us so much about our tumultuous history of glaciers, volcan ...

Already known for writing songs that provide strength alongside openhearted vulnerability for troublesome and daunting times, ...

THE WEEK’S MOST POPULAR SONGS RANKED BY MAINSTREAM ROCK RADIO AIRPLAY DETECTIONS, AS MEASURED BY MEDIABASE AND PROVIDED BY LUMINATE. STATIONS ARE ELECTRONICALLY MONITORED 24 HOURS A DAY ...

THE WEEK’S MOST POPULAR SONGS RANKED BY ROCK AND ALTERNATIVE RADIO AIRPLAY AUDIENCE IMPRESSIONS, AS MEAURED BY MEDIABASE AND PROVIDED BY LUMINATE. STATIONS ARE ELECTRONICALLY MONITORED 24 HOURS ...