The company recently returned to underground mining in a tunnel in the pit, but most of the ... behind after the explosions. Dump the scoops in the massive trucks, which then haul them to the ...

The Melrose Triangle project in West Hollywood is dead, City Council members learned Tuesday, but it could take the bulk of a year before the infamous hole is filled in. Kareen Wynter reports for ...

(Bloomberg Businessweek) -- Every weekday at a rock quarry northwest of Dallas, autonomous dump trucks roll down a dirt road and load up at the bottom of a 140-foot-deep mining pit. The trucks ...