You tried going to https://geog.ubc.ca/courses/geog570/presentations/GIS%20APPLICATIONS%20IN%20SELECTION%20OF%20SOLID%20WASTE%20DISPOSAL.ppt, and it doesn't exist. All is not lost! You can search for what you're looking for.
https://geog.ubc.ca/courses/geog570/presentations/GIS%20APPLICATIONS%20IN%20SELECTION%20OF%20SOLID%20WASTE%20DISPOSAL.ppt