TY  - RPRT
TI  - Selected Mo and W assays from stream-sediment samples and panned heavy-mineral concentrates, Challis, Idaho 2° topographic quadrangle
AU  - James E. Callahan
AU  - E.F. Cooley
AU  - G. J. Neuerburg
PY  - 1981
DO  - 10.3133/ofr811344
UR  - https://pubs.usgs.gov/publication/ofr811344
ID  - ofr811344
ER  -