TY  - RPRT
TI  - Contributions to economic geology (short papers and preliminary reports), 1930, Part II, Mineral fuel. Bituminous sandstone near Vernal, Utah
AU  - E. M. Spieker
PY  - 1931
DO  - 10.3133/b822c
UR  - https://pubs.usgs.gov/publication/b822C
ID  - b822C
ER  -