1. virtual

2. with Dr. Homer Montgomery, The University of Texas at Dallas Virtual Field Trip A Day in the Desert Digging Dinosaurs

3. The “Bend” in the River

4. Geologic map scanned from the Geology of Texas, The Bureau of Economic Geology, The University of Texas at Austin, 1992. Geologic Map Big Bend National Park

5. Breaking Camp

6. Hiking across the Desert

7. Lots of Cactus!

8. Roadrunner

9. Millipede

10. Lizard

11. Jack Rabbit

12. More cactus…

13. Snail?

14. Rattlesnake!

15. Narrowing the Field

16. Bone Scatter

17. Marking the Site

18. Global Positioning System

19. Satellite Vehicle Captured from the Telson Communications, Inc. web site (www.telson.net/whatsgps.html) Satellite Launch Orbit Diagram GPS - How it works z"Global Positioning System” is a network of 24 satellites which orbit the earth, lauched by NASA, and maintained by the U.S. Air Force. Originally designed for military use, the GPS system is now used for civilian navigation through the use of inexpensive, hand-held portable GPS receivers.

20. Exposed Bone

21. The Alamosaurus Sketch by Dana, captured from the UT- Dallas Dinosaur web site (www.utdallas.edu/dept/geoscience/dinosaur)

22. Petrified Trees

23. Depositional Environment

24. Captured from the National Museum of Natural History, Smithsonian Institution web site (www.nmnh.si.edu) Late Cretaceous Diorama

25. Collecting the Data

26. Intact Samples

27. Fragile Samples

28. Mixing the Plaster

29. Preparing the Bone

30. Protecting the Bone

31. Plastering the Bone

32. Carrying it out of the Pit

33. Striking the Site

34. Carrying it back to Camp

35. Piecing it Together

36. Consolidating the Sample

37. Reassembled for Display

38. Captured from the National Museum of Natural History, Smithsonian Institution web site (www.nmnh.si.edu) Reconstruction & Display Dinosaur Hall

39. Speculating on Theories

40. Dinner - finally!

41. Rainbow over the Desert

42. Sunset over the Desert

43. The End!