How much cheese is too much cheese?
At my school when selecting classes it lists the class, such as GEO221, and then under it has the times that class is available and who is teaching it. You just pick one of the classes. I don't know how it is there but you may want to check if you have to take GEOG100 before taking any other GEOG classes, the GEOG221 may require that you take the basic geology class first. Just an FYI.