(Cheryl of the Clue Crew walks with a robotic Stegosaurus.)  You might encounter a real Stegosaurus if you can go back to the late part of this geological period, a good one for dinosaurs
...... 
And they will readily pre- dict that no matter where you go, you simply must take... [DOC] [TLE] Full text of "Rotunda" - Internet Archive [PAR] You'll also learn about the historic associations that correspond to the area's 
geology.