TY  - RPRT
TI  - Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado
AU  - Ralph Erskine Van Alstine
AU  - Frederick Otto Simon
PY  - 1982
DO  - 10.3133/b1533
UR  - https://pubs.usgs.gov/publication/b1533
ID  - b1533
ER  -