Olympus Mons is on Mars.
Berkshire Township is one of the eighteen townships of Delaware County , Ohio , United States .. Township. Civil township. United States. United States. Ohio. Ohio. County. List of counties in Ohio. Delaware. Delaware County, Ohio. townships. civil township. Delaware County. Delaware County, Ohio. The population at the 2010 census was 3,085 , up from 2,251 at the 2000 census .. 2010 United States Census. 2010 census. 2010 United States Census