Zenfolio | John Petro | 50 mile bicycle route originating in Columbia MD

Here is a link for a google map view of a 50 mile bicycle route originating in Columbia, MD, running through Howard and Montgomery Counties in Maryland:

https://drive.google.com/file/d/0By0PYc-oYMePcUtVYkZqUFZXeUE/edit?usp=sharing