1. Novel insect leaf-mining at Mexican Hat, Montana (early Paleocene) and the demise of Cretaceous leaf miners Open Access Author: Donovan, Michael Philip Title: Novel insect leaf-mining at Mexican Hat, Montana (early Paleocene) and the demise of Cretaceous leaf miners Graduate Program: Geosciences Keywords: plant-insect interactionsCretaceous-Paleogene extinctionherbivorypaleoecologyFort Union FormationPowder River Basin File: Download Donovan_Thesis_Final.pdf Committee Members: Peter Daniel Wilf, Thesis Advisor/Co-Advisor