mj54,
I just emailed you the mileage chart from the 2004-2005 Superior Trails map. If anyone else could use it, let me know.
I've ridden that area for years and it's usuall better the more north and east you go. When you head up to Houghton, be sure to take the 13 loop behind Pat's Yamaha in Greenland that comes out at Twin Lakes. It's a 36 mile loop but it's at the top of my list of favorites. North of Bergland, you need to take 102 to 11 to Silver City, check out Lake of the Clouds while there, and then back down 1 to Bergland. It's only about 75-80 miles, but all 3 trails are awesome and different. 102 is a combo of tight and twisty, wide and fast and wide and slow turns, it has it all. Trail 11 is a 2 lane asphalt road in the summer and is double/triple wide and very fast for 16 miles. Snow will get thin around Silver City but 1 south is a fun trail too, especially south of White Pine. Before you take this loop, fill up in Bergland as there is no gas in Silver City or White Pine.
Also, the trails around Lake Gogebic can be fantastic as sleds like to jump on the lake and run them. Trail 1 and 13 south from the north end are usually pretty sweet. Have fun!