Investigating the rise of dinosaurs: Field notes from Randy Irmis

		Randy's first field report: early June 2007 The questions being asked, an introduction to the Hayden Quarry, and the previous summer's work at the quarry.
		Randy's second field report: mid-June 2007 Removing overburden at the quarry and screenwashing for small vertebrate fossils.
		Randy's third field report: June 25-29, 2008 Wrapping up for the summer and how to make plaster jackets for larger bones.