TY - RPRT TI - Preliminary data describing the distribution of fluoride and silica in the water in the Ogallala aquifer on the High Plains of Texas AU - R.L. Bassett AU - S.G. Perkins AU - R. K. Waddell PY - 1980 DO - 10.3133/ofr80349 UR - https://pubs.usgs.gov/publication/ofr80349 ID - ofr80349 ER -