Hordes of skiers headed into Colorado's mountains over President's Day weekend. For most of them, it's a pretty good bet they experienced traffic鈥�

You鈥檝e most likely driven through the Hanging Lake Tunnel on Interstate 70 near Glenwood Springs. You鈥檝e probably never noticed a giant hanger door or at鈥�

When a well no longer produces commercial quantities of oil and gas, companies "abandon" it, usually by placing cement plugs inside the wellbore, to stop鈥�