CU GeoLibrary CU GeoLibrary The CU GeoLibrary is an ever-evolving collection of Colorado Geographic Information System (GIS) data, available for anyone to use for research and mapping projects. Visit the GeoLibrary Business Library Earth Sciences & Map Library Engineering, Math & Physics Library Law Library Music Library Norlin Library Center for Research Data & Digital Scholarship (CRDDS) CU Digital Library CU GeoLibrary CU Scholar Popular Reading Collection Preservation & Collection Care Rare and Distinctive Collections