Utah Maps and GIS Data
The Utah Department of Transportation’s GIS site is pretty bare.
The Utah Automated Geographic Reference Center has a Geographic Information Database which has all kinds of old data, broken links, and, buried in it’s depths:
From http://agrc.utah.gov/agrc_faqs/dsdlgisdata.html:
Note: Most data contained within the SGID uses the Universal Transverse Mercator projected coordinate system (UTM Zone 12 North) using the 1927 North American Datum (NAD83). UTM Zone 12N, NAD 27 is the current state standard for projection, coordinate system, and datum.