TY  - RPRT
TI  - Nineteenth Annual Report of the United States Geological Survey to the Secretary of the Interior 1897 - 1898: Part VI (cont.) - Mineral resources of the United States, 1897, nonmetallic products, except coal and coke
AU  - Charles D. Walcott
AU  - F.H. Oliphant
AU  - Edward Wheeler Parker
AU  - William C. Day
AU  - A. C. Peale
AU  - George F. Becker
PY  - 1898
DO  - 10.3133/ar19_6c
UR  - https://pubs.usgs.gov/publication/ar19_6C
ID  - ar19_6C
ER  -