Update on WLSSD landfill cap project May 7, 2010 news·Projects by COMANCO COMANCO > COMANCO BLOG > news > Projects > Update on WLSSD landfill cap project We are progressing at the WLSSD “Western Lake Superior Sanitary District” 80 Acre Landfill Closure. Duluth MN. as a sub contractor for General Contractor Ames Construction Inc. out of Burnsville, MN. Project Manager Clayton Lung, Supt. Tony Sanchez. Previous Post Next Post