Fletchh, if you're a member of the Baltimore Bicycling Club, you can get Bob's "Monument to Monument" cue sheet from the club Web site. If not, his route (at least from the Severn area, where I am, to the Mall) is very similar to the Bike Washington route. Here's a link to their cue sheet and maps:
http://www.bikewashington.org/routes/dc2balt/index.htm