Colonial Island is a island located in Frederick County, Maryland. It appears on the Harpers Ferry USGS 7.5-minute topographic quadrangle. The nearest populated place is Knoxville, approximately 0.3 miles to the NE.
Frederick County · Maryland
Colonial Island is a island located in Frederick County, Maryland. It appears on the Harpers Ferry USGS 7.5-minute topographic quadrangle. The nearest populated place is Knoxville, approximately 0.3 miles to the NE.