The history of the Muskingum Watershed Conservancy has its roots in Zanesville and with the Muskingum Tuscarawas Improvement Association. In 1935, a group got federal funding to begin a project to regulate flooding in the Muskingum River watershed,…
The Miami Valley was devastated by the flood of 1913. John H. Patterson and the National Cash Register Company were heavily involved in relief and rescue operations.