I just got it working! I emailed the UNL folks as you suggested, and while they were prompt in replying, they weren't willing to share the data in any other formats. I ended up using MySQL and Navicat to load and host the data, then used QGIS to read the database through a local host. ArcMap didnt want anything to do with the MySQL database, though that may have been my fault for not knowing very much about MySQL. Thanks for your help!
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