TY  - RPRT
TI  - Water-quality characteristics in the Black Hills area, South Dakota
AU  - Joyce E. Williamson
AU  - Janet M. Carter
PY  - 2001
DO  - 10.3133/wri20014194
UR  - https://pubs.usgs.gov/publication/wri20014194
ID  - wri20014194
ER  -