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13. Shoemaker, E. M., Structural features of southeastern Utah and 

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14. Hoots, H. W. , Geology of a part of western Texas and south- 

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15. U. S. Bureau of Mines , Salt in 1953: Mineral Market Report no. 

 2374, p. 7, March 29, 1955. 



16. La Vigne , E. F. , Mining and preparation of rock salt at the Retsof 

 mine: Am. Inst. Min. Eng. Tech. Pub., no. 661, p. 21, 1936. 



17. Jacoby, C. H., personal communication. 



18. Foley, Frank C. , personal communication. 



19. Weigel, W . M., The salt industry of Louisiana and Texas: Am. 

 Inst. Min. Eng. Tech. Pub., no. 620, p. 19, 1935. 



20. Culler, F. L., Jr. , Notes on fission product wastes from pro- 

 posed power reactors: In Report of meeting on ocean disposal of 

 reactor wastes held at "Woods Hole, Mass., Aug. 5-6, 1954; 

 Atomic Energy Comm. , NYO, Waste Disposal, p. 79 (mimeo) , 

 May 15, 1955. 



21. Glasstone, Samuel, Principles of nuclear reactor engineering: 

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22. Culler, F. L., Jr. , op . cit . , p. 15. 



23. Joseph, Arnold B . , and James M. Morgan, Jr., Radioactive 

 wastes in the atomic energy industry; the problem of disposing of 

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 March 31, 1955. 



24. Ayres, Eugene, and Charles A. Scarlott, Energy sources - the 

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25. U.S. Federal Power Commission, Electric Power Statistics, 

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