Here is where you will get the chance to not only focus more on archaeology, but also to develop areas of specialization within archaeology. Here are some suggestions for planning for graduate school listed by the kind of area you are interested in. There are a lot of choices to make and many differences between programs. Writing is an important graduate school skill and ENG 303 College Writing II is a big help. You might also want to save some of your best college papers to submit with your graduate school application as proof of your writing skills.
Computer skills are essential for any graduate program.
Statistics is the language of science. You will need minimal statistical proficiency in any graduate program in the social or natural sciences. UW-La Crosse offers access to the GRE StudyWare program at the Counseling and Testing Center. Certainly, an undergraduate Anthropology minor is good. ARC 455 Archaeological Theory definitely should be taken.