First Motion Picture Unit is an American company.
Spring Rock Township is a township in Clinton County , Iowa , USA .. Township. Civil township. County. List of counties in Iowa. Clinton. Clinton County, Iowa. township. Civil township. Clinton County. Clinton County, Iowa. Iowa. Iowa. USA. United States. As of the 2000 census , its population was 1,142 .. United States Census, 2000. 2000 census. United States Census, 2000