TY  - RPRT
TI  - Contributions to economic geology, 1912; Part I, Metals and nonmetals except fuels--Phosphate Rock
AU  - George W. Stose
PY  - 1914
DO  - 10.3133/b540l
UR  - https://pubs.usgs.gov/publication/b540L
ID  - b540L
ER  -