THE ANACONDA CO.'S TWIN BUTTES MINE. THE MINE IS 1,100 FT. DEEP THE FIRST 500 FT WAS ALLUVIUM, A WASTE PRODUCT. THE OPERATION HAS A 10 TO 1 RATIO OF WASTE TO USABLE ORE

Chicago citation style
Environmental Protection Agency. 12/2/1970. THE ANACONDA CO.'S TWIN BUTTES MINE. THE MINE IS 1,100 FT. DEEP THE FIRST 500 FT WAS ALLUVIUM, A WASTE PRODUCT. THE OPERATION HAS A 10 TO 1 RATIO OF WASTE TO USABLE ORE. 1972-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/544112. (Accessed December 19, 2018.)
APA citation style
Environmental Protection Agency. 12/2/1970, (1972-06) THE ANACONDA CO.'S TWIN BUTTES MINE. THE MINE IS 1,100 FT. DEEP THE FIRST 500 FT WAS ALLUVIUM, A WASTE PRODUCT. THE OPERATION HAS A 10 TO 1 RATIO OF WASTE TO USABLE ORE. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/544112
MLA citation style
Environmental Protection Agency. 12/2/1970. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/544112>.
Note: These citations are programmatically generated and may be incomplete.