TY  - RPRT
TI  - Contributions to economic geology (short papers and preliminary reports), 1927: Part I - Metals and nonmetals except fuels
AU  - Gerald Francis Loughlin
AU  - George Rogers Mansfield
PY  - 1927
DO  - 10.3133/b795
UR  - https://pubs.usgs.gov/publication/b795
ID  - b795
ER  -