Laserfiche WebLink
68 <br />40 24. Dugan, P.R. and Apel, W.A., 1978, Microbiological <br />desulfurization of coal. In:Metallur ical A lications <br />of Bacterial Leaching and Related Microbiological <br />P enomena, Aca emic Press, e York, in press. <br />25. Apel, W.A. and Dugan, P.R., 1978, Hydrogen ion utiliza- <br />tion by iron-grown thiobacillus ferrooxidans. In: <br />Metallurgical Applications of Bacterial Leaching and <br />Relate Microbiological Phenomena. Academic Press, <br />New York, in press. <br />26. Updegraff, D.M., 1978, Colorado School of Mines, personal <br />communication. <br />27. Andrews, R.D., 1976, Technical development of NPNES <br />permits in the mineral extraction industries. Colorado <br />Mining Association Yearbook, 1976, pp. 61-64. <br />28. Shuster, E.T., and W.B. White, 1971, Seasonal fluctua- <br />tions in the chemistry of limestone springs: A possible <br />means for characterizing carbonate aquifers. J. Hydrology, <br />v. 14, p. 93-128. <br />29. Jacobson, R.L., and D. Langmuir, 1974, Controls on the <br />quality_ variations of some carbonate spring waters. <br />J. Hydrology, v. 23, p. 247-265. <br />• 30. Wentz, D.A., 1977, Quantity and quality of drainage <br />from the Argo Tunnel and other sources related to metal <br />mining in Gilpin, Clear Creek, and Park Counties, <br />Colorado. Report to the U.S. Army Corps of Engineers. <br />31. Federal Register, 1975, vol. 40, no. 248, pp. 59566-59574. <br />32. Wentz, D.A., 1974, Stream quality in relation to mine <br />drainage in Colorado, Water Resources Problems Related <br />to Mining, Amer. Water esources Assoc. Proc. No. 18, <br />pp. 158-173. <br />33. Robins, J.D., 1976, The implementation of effluent limi- <br />tations guidelines. Colorado Mining Association, 1976 <br />Mining Yearbook, pp. 65-67. <br />34. Thurman, M., 1977, U.S. Geological Survey, personal <br />communication. <br />35. Ramirez, A.J., 1976, Geochemistry of mine effluents in <br />the Front Range Mineral Belt of Colorado, M.S. Thesis <br />T-1888, Colorado School of Mines, 112 pp. <br />•