TY  - RPRT
TI  - Contributions to economic geology (short papers and preliminary reports), 1919 : Part I. - Metals and nonmetals except fuels
AU  - F. L. Ransome
AU  - Ernest Francis Burchard
PY  - 1920
DO  - 10.3133/b710
UR  - https://pubs.usgs.gov/publication/b710
ID  - b710
ER  -