Shutterstock Picher, Oklahoma Picher began in 1913 after miners found lead and zinc ore on land owned by Harry Crawfish, a ...

Those yearning to live out their "Yellowstone" dreams could make their dreams come true with the Heart Rock Ranch.

COTU, comprising Belgian construction groups BESIX, Stadsbader Contractors, DEME, and Jan De Nul, has initiated the sinking operation of the first tunnel element of the Scheldt Tunnel in Antwerp, ...

Join us as we explore the biggest underground talc mine, uncovering its vast tunnels, massive chambers, and the incredible process behind extracting this valuable mineral. This journey takes us deep ...

Characteristics of Electromagnetic (EM) waves in underground mines are different from those of typical wireless channels because of the features of the underground mines. For reliable wireless ...

The model of the coal mine tunnel is established in practice. The rectangular tunnel is divided into two parallel slot waveguides by electric field distributing, the refraction loss is approximately ...