A packet of envelopes http://mijnnn.icu nn trazilica Chapter 9 filings are rare, with only about 650 cases filedin the 75 years to 2012, mostly involving smallmunicipal entities like sewer districts. But, the last threeyears have seen filings by the city of Harrisburg, Pennsylvania,Jefferson County, Alabama and the California cities of Stocktonand San Bernardino.