United States. Department of Commerce and Labor. Bureau of the Census. (1933). Mines and Quarries: 1929: General report and reports for states and for industries. Gov. Print. off..
Cita Chicago Style (17a ed.)United States. Department of Commerce and Labor. Bureau of the Census. Mines and Quarries: 1929: General Report and Reports for States and for Industries. Washington: Gov. Print. off., 1933.
Cita MLA (9a ed.)United States. Department of Commerce and Labor. Bureau of the Census. Mines and Quarries: 1929: General Report and Reports for States and for Industries. Gov. Print. off., 1933.
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