TY  - RPRT
TI  - Contributions to economic geology (short papers and preliminary reports), 1921: Part I. - Metals and nonmetals except fuels
AU  - F. L. Ransome
AU  - Ernest Francis Burchard
PY  - 1922
DO  - 10.3133/b725
UR  - https://pubs.usgs.gov/publication/b725
ID  - b725
ER  -