This template is provided by the University of Utah's Graduate School, downloaded from its Thesis Templates page (Spring 2016 2016), incorporating uuthesis-2016-h.sty from here. From the Graduate School's webpage:
The following LaTeX template is intended to be used in conjunction with A Handbook for Theses and Dissertations and departmentally-approved style guides. They are only a basic guide for formatting your manuscript and do not guarantee Format Approval.
2017/05/25: added fixes for letter paper size on Overleaf.
Graduate School, University of Utah