The concentration of manganese in the waters of the creek ranges between 20 and 450 milligrams per liter and the iron concentration ranges from 40 to 18,500 micrograms per liter .
DET NOUN ADP NOUN ADP DET NOUN ADP DET NOUN VERB ADP NUM CCONJ NUM NOUN ADP NOUN CCONJ DET NOUN NOUN VERB ADP NUM PART NUM NOUN ADP NOUN .