ICPSR stands for Inter-university Consortium for Political and Social Research. It is the oldest and most extensive repository of Social Science data sets in the United States. SLU is a member insitution, which means SLU community members have access to additional data, as well as data depositing services. You can read more about ICPSR here.
Rebecca Hyde is the local representative for ICPSR at Pius. You can contact her at rebecca.hyde@slu.edu for additional information.