Baltimore’s Water Supply History 12 Thursday Dec 2013 Posted by Ronald Parks in Baltimore, filtration, HISTORY ≈ Leave a comment TagsBaltimore, engineering, FILTRATION, HISTORY, water, water history Here is the revised, updated version of my Tidbits book. https://www.createspace.com/4511014 Share this: Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Like Loading...