TY  - RPRT
TI  - Uranium and thorium in the middle Precambrian Estes Conglomerate, Nemo District, Lawrence County, South Dakota: a preliminary report
AU  - F. Allan Hills
PY  - 1977
DO  - 10.3133/ofr7755
UR  - https://pubs.usgs.gov/publication/ofr7755
ID  - ofr7755
ER  -