Johnson Island is a island located in St. Charles County, Missouri. It appears on the Weldon Spring USGS 7.5-minute topographic quadrangle. The nearest populated place is Gumbo, approximately 1.4 miles to the SSE.
St. Charles County · Missouri
Johnson Island is a island located in St. Charles County, Missouri. It appears on the Weldon Spring USGS 7.5-minute topographic quadrangle. The nearest populated place is Gumbo, approximately 1.4 miles to the SSE.