Matthew Mossbrucker shared more with us than we had time to share in the regular episode. This unabridged version adds:

• For the first time in premium content: pre-interview banter. Let us know if you like it!
• The great location of the Morrison Natural History Museum
• Challenges digging near museum
• How the open paleo lab works
• More details on their Stegosaurus tracks 
• Stegosaurus feet (and their relative size/position)
• More environment & stratigraphy of the Morrison during the Jurassic
• How the 7 million years of Morrison formation compares to the last 7 million years