Abstract The GPR (Ground Penetrating Radar) conference in Hong Kong year 2016 marked
the 30th anniversary of the initial meeting in Tifton, Georgia, USA on 1986. The conference …

ABSTRACT MIGRATOM is a third-generation PC-based computer program developed by
the US Bureau of Mines for geophysical tomography. Like its predecessors, BOMTOM and …

Both laboratory and field ultrasonic measurements were carried out to assess the feasibility
of ultrasonic tomography for non-invasive testing of living trees. Trees with internal decay …

In an effort aimed at monitoring mining-induced stress changes that may influence ground
failure, the US Bureau of Mines conducted a series of active 3-D seismic tomographic …

Mining-induced stress-field changes pose both safety and economic hazards. In an effort
aimed at developing technology for mitigating such hazards, the Bureau of Mines together …

The US Bureau of Mines (USBM) investigated the use of seismic refraction tomography
(SRT) for identifying changes in pillar loading at the Foidel Creek coal mine near Steamboat …

In an effort aimed at locating highly stressed and destressed areas that may influence
rockbursts, the US Bureau of Mines conducted an active 3-D seismic tomographic …

Monumental tumuli are important monuments of past human activity, and may contain burial
structures of high cultural and historical value. Seismic tomography is used to investigate the …

Nowadays, coal mining is extending to deeper and deeper levels, facing ever increasing
coal seam gas contents, much higher gas emissions and outburst risks. Capturing coal …

Personnel from the Spokane Research Center, a division of the national Institute for
Occupational Safety and Health (NIOSH), have been investigating the use of three …