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virtual. FIELD TRIP. Virtual Field Trip A Day in the Desert Digging Dinosaurs. with Dr. Homer Montgomery, The University of Texas at Dallas. The “Bend” in the River. Geologic Map. Big Bend National Park.

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  1. virtual FIELD TRIP

  2. Virtual Field TripA Day in the Desert DiggingDinosaurs with Dr. Homer Montgomery, The University of Texas at Dallas

  3. The “Bend” in the River

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

  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. GPS - How it works Satellite Vehicle • "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. Orbit Diagram Satellite Launch Captured from the Telson Communications, Inc. web site (www.telson.net/whatsgps.html)

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

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

  39. Speculating on Theories

  40. Dinner - finally!

  41. Rainbow over the Desert

  42. Sunset over the Desert

  43. The End!

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