The biggest iron mine. The worlds biggest open pit iron mine can be found near Hibbing, Minnesota. At its maximum, the area covered by the Hull Rust open pit mine is five miles (8km) long, 2 miles (3,2km) wide and 535 feet (180m) deep. It looks like a man-made Grand Canyon of over 2,000 acres (8,1kmÂ²).
Nearly two-thirds of plans provide employer matching contributions today. Most common is a dollar-for-dollar up to a specific agreed percentage of pay which is commonly up to 6% of yearly income. The employer matching program is any potential additional payment to an employeeâs 401(k) plan.
1 Rule of Thumb 1: Contribute enough to max out any employer match. 2  This rule applies to 401k participants at every age. 3  If you make $40,000 and your employer offers a 50% match up to 6% of salary, you should contribute at least $2,400 to get the full available $1,200 employer match.