potash brook compared to centenial

potash brook is a lot bigger than centenial brook. potash brook is 50 feet wide and centenial brook is only about 2.5 feet wide.  centenial brook is only half a foot deep and potash brook is about 5 feet deep.  potash brook has 8 different species while centenial brook has only 2.  potash brooks PT index is 29 which is excellent.  centenial brook only has a PT index of 5. potash brook moves faster than centenial.  potash moves at .45 feet per second, and centenial goes .34 feet per second.