NIOSHTIC-2 Publications Search
Bureau of Mines revises system.
Rock Prod 1985 Dec; 88(12):56-57, 84
This paper describes a new system for reporting aggregate production information by grouping adjacent counties into districts. This method of gathering information is expected to increase the number of producers in each reporting area and eliminate the confidentiality problem when statistics are revealed on a company-by- company basis.
OP; Journal Article
Issue of Publication
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division