TY  - RPRT
TI  - Precambrian and Lower Ordovician rocks in east-central Idaho
AU  - Edward Thompson Ruppel
AU  - R. J. Ross
AU  - David Schleicher
PY  - 1975
DO  - 10.3133/pp889
UR  - https://pubs.usgs.gov/publication/pp889
ID  - pp889
ER  -