TY  - RPRT
TI  - Geochemical data from Precambrian meta-iron-formation and related rocks of the Keystone area, South Dakota
AU  - William H. Raymond
PY  - 1981
DO  - 10.3133/ofr81772
UR  - https://pubs.usgs.gov/publication/ofr81772
ID  - ofr81772
ER  -