TY  - RPRT
TI  - Contributions to economic geology (short papers and preliminary reports), 1913: Part II - mineral fuels
AU  - Marius Robinson Campbell
AU  - David White
PY  - 1915
DO  - 10.3133/b581
UR  - https://pubs.usgs.gov/publication/b581
ID  - b581
ER  -