The Muskingum River Improvement, started in 1837, played a key role in economic development of the Greater Ohio River Valley as one of the nation's first complete slackwater navigation systems for steam-powered vessels, and survives as the most in…
We are building the largest online collection of historical markers, along with other markers that
represent significant events, people, places, and more, but we can't do it without your help. Become
a member and you'll be able to add historical markers, post comments, save favorites, check in, and
Subscribe To Our Newsletter
Keep up with everything we do — We'll deliver our newsletter to your inbox each week.