TY - RPRT TI - Dissolved solids, hardness, and orthophosphate of surface-water runoff in the Suwannee River Water Management District, Florida AU - J.E. Earle PY - 1975 DO - 10.3133/wri7615 UR - https://pubs.usgs.gov/publication/wri7615 ID - wri7615 ER -