Lrmwade's interactive graph and data of "North-West Iowa Landfill Tonnages" is a line chart, showing Dickinson LF Inc. , Palo Alto County Transfer Station , Kossuth County Waste Management Assoc. , Northwest Iowa Area SLF, Plymouth County SLF, Cherokee County LF, Buena Vista County SLF, North Central Iowa Regional SLF, Hamilton County SLF, Boone County SLF, Carroll County Solid Waste Management , Crawford County Solid Waste Agency , Monona County SLF, Sac County SLF, City of Sioux City SLF; with 1994-2017 By Lauren Wade/IowaWatch. Data Source: Iowa DNR. in the x-axis and Tonnages in the y-axis.. The x-axis shows values from 1994 to 2017. The y-axis shows values from -8230.444444444445 to 156378.44444444444.