TY  - RPRT
TI  - The quality of surface waters in the United States, Part I, Analyses of waters east of the one hundredth meridian
AU  - Richard B. Dole
PY  - 1909
DO  - 10.3133/wsp236
UR  - https://pubs.usgs.gov/publication/wsp236
ID  - wsp236
ER  -