TY  - RPRT
TI  - Annual and accrued mineral production, royalty income, and related statistics
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1964
DO  - 10.3133/25139
UR  - https://pubs.usgs.gov/publication/25139
ID  - 25139
ER  -