Following is a continuation of the list of titles and authors of the papers presented: Cost of Reducing Surface Water Pollution from U. S. Dairy Farms. By Boyd M. Buxton and Stephen J. Ziegler. Economic Impact of Controlling Surface Water Runoff from Point Sources in U. S. Hog Production. By Roy N. Van Arsdall. Environmental Analysis of Feedlot Systems. By C. N. Ifeadi and W. T. Lawhon. Complete System for Collecting, Handling, Air-Drying and Machine Dehydration of Poultry Manure in a Caged Layer Production Unit. By C. J. Flegal, M. L. Esmay, J. B. Gerrish, J. E. Dixon, C. C. Sheppard, H. C. Zindel, and T. S. Chang. Integrated Poultry-Manure Handling, Using Flush Trays under Cages and Renovated Wastewater: An In-Progress Report on an 1100-Bird Layer House. By C. V. Boorman, D. S. Bundy, G. B. Parker and R. L. Fehr.