Jones Mill BranchJones Mill Branch is a long second-order tributary to Marshyhope Creek in Sussex County, Delaware.CourseJones Mill Branch rises on the Bridgeville Branch divide about 0.5 miles northeast of Jacobs Crossroads, Delaware, and then flows generally west-northwest to join Marshyhope Creek about 1.5 miles east-northeast of Smithville, Maryland.WatershedJones Mill Branch drains of area, receives about 44.8 in/year of precipitation, and is about 6.55% forested.