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	1.	No cover image available Grace mine ore waster disposal system and estimated costs / by William Cochran by Cochran, William Series: Information circular ; 8435 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : Uniteds States Government Printing Office, 1969 Availability: Items available for loan: National Library of India (1)Call number: U.S 628.1670973 C 643. Place hold Request article Save to lists
	2.	No cover image available Availability of rutile as a by product from sand washing plants in the South Eastern United States / by William Cochran and Robert L. Smith by Cochran, William Smith, Robert L [jt. aut] United States. Department of Interior Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : United States Government Printing Office, 1972 Availability: Items available for loan: National Library of India (1)Call number: U.S 338.2 C 643. Place hold Request article Save to lists

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