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1. Lake beds are thought to be the most likely source of fossils.

2. A pocket of magma deep below the lake bed leaks carbon dioxide into the lake above.

3. This piece of geography, now just a fossil lake bed, is known as glacial lake Missoula.

4. At this lake, the lake bed grows as water level drops.

5. On a drying lake bed in Victoria, a farmer in 2007 alerted scientists to a major find: well-preserved tracks of a Diprotodon.

6. This would moisten a bit of the exposed lake bed and provide an emergency stopover for the enormous flocks of geese, avocets , grebes and teal that visit the Salton Sea.

7. Gray and white materials within the lake bed are exposed sediments and salt crusts.

8. The festival site, located on a dry lake bed two hours north-east of Reno, California, was consumed in one of the periodic dust storms that affect the area.

9. Recent discoveries of Siberian and Alaskan lake bed sediments leaking large quantities of methane have prompted climatologists to call for more study and satellite monitoring of these regions.

10. Their existence is now marked by the former lake bed, a flat area covering parts of North Dakota and Minnesota.

11. Where nutrients are plentiful, productivity is high, production far outstrips decomposition,(sentencedict .com) and organic sediments accumulate on the lake beds.

12. Sierra Nevada as a backdrop, unique erosion formations called sand tufa stand like giant cauliflower stalks in a dry Arizona lake bed.

13. Texas State Park police officer Thomas Bigham walks across the cracked lake bed of O. C. Fisher Lake in San Angelo, Texas.

14. A secondary effect of the reduction in the Aral Sea's overall size is the rapid exposure of the lake bed.

15. Now it's less than a tenth of that size. Left behind are 15, 000 square miles of salty, toxin-laden lake bed.

16. Today salt - loving bacteria thrive in brine pools on the dry lake bed, lending a blood-red tint in this aerial view.

17. Earlier images of Gusev crater taken from the air seemed to scream with evidence of an ancient lake bed.

18. A seed from a sacred lotus fruit that had been buried in a dry lake bed for around 1, 000 years sprouted when it was dug up, planted and watered.

19. With the snow-draped Sierra Nevada as a backdrop, unique erosion formations called sand tufa stand like giant cauliflower stalks in a dry Arizona lake bed.

20. If the test drive goes to plan in early 2012, then the car will be taken that summer to a dried-up lake bed in South Africa's Northern Cape for the attempt at the land speed record.

21. Thus we can infer that Nihewan ape-man may either rest under the bare cliff of the Gorge Area or be buried in the marsh country or deep in the lake bed, or in the accumulation layer of the cavern.

22. Most of the stones are found on an old lake bed, known as the Racetrack Playa, where the ground is particularly flat.

23. Fossil hunters have unearthed the remains of a man-sized forerunner to the colossal Tyrannosaurus rex from an ancient lake bed in northeastern China.