31. The overburden becomes weak and thin which allows the salt body to travel upwards. 32. The archaeologist can also place overburden material directly into the mouth of the dredge. 33. Additionally, it used hydraulics to strip the overburden and employed an aerial tramway. 34. It's not good to overburden the American people with too much complicated information. 35. Assembly Speaker Jack Collins said the bill represents a compromise that will not overburden taxpayers. 36. The surcharge, he said, would overburden the manufacturing sector and ultimately cost jobs. 37. About 10 % of the Athabasca oil sands are covered by less than of overburden . 38. Initially, bauxite was mined with shovels and pick axes and mule carts removing overburden . 39. Wikipedia does have an article on overburden . 40. There are nine various overburden conveyor belts with a speed of 10 m / s.