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Hadrosaur fossil site EarthCache

Hidden : 4/15/2009
Difficulty:
1.5 out of 5
Terrain:
3.5 out of 5

Size: Size:   not chosen (not chosen)

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Geocache Description:

This EarthCache is located in Makoshika State Park. For non residents there is a $5.00 entrance fee to the park. Parking can be found at N 47 04.563, W 104 41.703 From the Parking lot it is a little over a mile round trip hike.


The hike is not hard until the last part that is an ascent up steep steps. Take your time and watch your footing, especially when it is wet out. Once you get there, take a nice break and enjoy the view.

This earthcache is a fossil site. The fossil in particular is a hadrosaur. This particular fossil is not very large. Therefore, it is nearly impossible to pinpoint exactly what kind of hadrosaur it may have been.

Hadrosaurs lived in the crustaceous period. Hadrosaurs were also known as duckbilled dinosaurs. They had one of the most spectacular sets of teeth of any plant-eating dinosaur. They had hundreds of sharp, diamond-shaped teeth lined on both sides of their upper and lower jaws. These teeth were set way back in the jaw, leaving the beak toothless. When eating, their jaws acted like huge vegetable grinders. New teeth were constantly replacing old ones, as they grew old. Some had up to almost 900 teeth.

Hadrosaurs grew from around 10 feet long to over 40 feet long. They mainly walked on their powerful hind legs, but could also get down on all fours to rummage for food on the ground. They had different shaped skulls, some with long horns sticking straight up or straight back. Others had more of a dome shaped head. Fossil sites have found large groups of hadrosaurs, meaning they most likely lived as a herd. They have also found fossil sites of mother and egg nests showing that the hadrosaur took care of its young.

To log this cache, you must answer some questions. Answers to the questions can be found on the sign at the cache site.

1.(Note: As of 1/1/11 taking pictures for earthcaches are optional, not manditory to log the find) Take a picture of yourself or group with a gps in hand and the fossil area in the background.

2. What type of rock is the fossil found in?

3. What part of the dinosaur is this fossil?

4. How did the Hadrosaur remains become fossilized?

Please email the cache owner with the answers to the questions, do not post them in your log. Please post your pic on the cache page for all to see. Please respect the area around the fossil and do not go beyond the posted signs. Continue on the trail you were on a little farther and you will come to a bench that overlooks the park. You can see millions of years of history all around you in the rocks. Enjoy the hike and the find.

Information about Hadrosaur was found at
http://www.nps.gov/akso/parkwise/Students/ReferenceLibrary/Paleontology/Hadrosaurs.htm
Other information was from Eyewitness books: Dinosaur by David, Norman, Ph.D.

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