13–15, Freeman, ISBN 0-7167-2438-3* Jules D. Friedman and Curtis Huffman, Jr., coordinators, ""Laccolith Complexes of Southeastern Utah: Time of Emplacement and Tectonic Setting -- Workshop Proceedings"", United States Geological Survey Bulletin 2158, 1998.
Izvirno obliko intruzije je pogosto težko rekonstruirati.