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A new method for the direct determination of dissolved Fe(III) concentration in acid mine waters, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 297-304.

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Dissolution rate of apophyllite - the effects of pH and implications for underground water storage, in Cidu, R., ed., Proceedings of the tenth international symposium WRI-10, Villasimius, Italy, June 10-15, 2001: A.A. Balkema, p. 251-254.

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Frequency distribution of the pH of coal-mine drainage in Pennsylvania, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 313-324.

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