SEWERAGE Considerable sewer extension is under way in the village of Litchfield, Minn., mostly 8 inch pipe being used. A $50,000 sewer system is to be installed in the town of Williamsburg, Ia., for which the contracts have been let. Sewage disposal and drainage, on the Niagara frontier, were among the problems discussed at the National City Planners Convention which was held at Niagara Falls, N. Y., on May 26 and 27 and in Buffalo, May 28. Mason City, Ia., has started a number of sewer extensions, which are being hastened to completion in order to prepare for street paving at an early date. Many new homes are to be built and the progressive citizens intend to have all the comforts of home.