Dedication Year: 1935

Location: Weaver Drain Tile Museum, near the intersection of NY Rte 96A & Lake Rd, Geneva, NY

Plaque Wording: Farm And Residence of John Johnston 1791 - 1880 Eminent Farmer Who Here Originated Tile Underdrainage in America in 1835 and Thereby Became an Outstanding Contributor to Human Welfare Honored by The American Society of Agricultural Engineers 1935. Erected by State Education Department