No one shows up late to work at Greens Creek mine. That's because all the employees are in the same boat, from underground miners to top managers - literally. The ferry leaves Juneau's Auke Bay at 5 a.m. and 5 p.m. every day for the 35-minute trip to Admiralty Island, taking the day and night crews back and forth. That doesn't leave a lot of time between shifts before you're back on the boat ag...