Free Dust Essays and Papers

Page 1 of 50 - About 500 essays
  • Dusts And Pollutions In The Generation Of Mine Dust

    581 Words  | 3 Pages Generation of Mine Dust Dust is generated in mine through drilling, blasting, loading, transportation and through the flow of ventilation air. The main sources of dust generation are rock blasting process and haul road dust generation. The quantity of dust produced is directly proportional to the quantity of rock broken. Rock cutting processes are generally achieved through rotary and percussion drills, shearers, continuous miner, tunnel boring machine, road headers etc. In mining, generally

  • African Dust and Microbial Pathogens

    1684 Words  | 7 Pages

    The atmosphere is a relatively unexplored and unthought of environment for a microbial habitat. Approximately 0.5 to 5.0 billion tons of dust travels in the atmosphere each year throughout the globe or within a particular region (Perkins, 2001). Dust is transported from Africa, other countries with large deserts and contains diverse microbial communities (bacteria and fungi) often containing pathogens. Data presented within the current and past century has shown that microbes are capable of withstanding

  • Dust Bowl

    917 Words  | 4 Pages

    to, a dust bowl is a region reduced to aridity by drought and dust storms. The best-known dust bowl is doubtless the one that hit the United States between 1933 and 1939. One major cause of that Dust Bowl was severe droughts during the 1930’s. The other cause was capitalism. Over-farming and grazing in order to achieve high profits killed of much of the plain’s grassland and when winds approached, nothing was there to hold the devastated soil on the ground. The Dust Bowl affected the

  • The Dust Bowl

    1202 Words  | 5 Pages

    howling at a full moon. When he reached his house, his father rushed him inside. The first of many dust storms hit and the period known as the Dust Bowl began. The Dust Bowl was a brutal time period in Midwestern history; farmers were pushed off their land and forced to find new homes in new states. On a website called Drought Disasters, sponsored by Browing University, it was written “the seeds of the Dust Bowl may have been sown during the early 1920s. However, overproduction of wheat coupled with

  • The Dust Bowl

    770 Words  | 4 Pages

    The Dust Bowl The early 1900's were a time of turmoil for farmers in the United States, especially in the Great Plains region. After the end of World War I, overproduction by farmers resulted in low prices for crops. When farmers first came to the Midwest, they farmed as much wheat as they could because of the high prices and demand. Of the ninety-seven acres, almost thirty-two million acres were being cultivated. The farmers were careless in their planting of the crop, caring only about profit

  • Dust Bowl

    1664 Words  | 7 Pages

    As part of a five-state region affected by severe drought and soil erosion, the "Dust Bowl" as it was called was result of several factors. Cyclical drought and farming of marginally productive acreage was exacerbated by a lack of soil conservation methods. Because the disaster lasted throughout the 1930's, the lives of every Plains resident and expectations of farming the region changed forever. The settlement and development of the Southern Plains came relatively late. Not recognizing the problems

  • The Dust Bowl

    1433 Words  | 6 Pages

    Oklahoma, Kansas, Colorado, and New Mexico—the Dust Bowl was a time where over 100 million acres of topsoil were stripped from fertile fields leaving nothing but barren lands and piles of dust everywhere (Ganzel). While things were done to alleviate the problem, one must question whether or not anyone has learned from this disaster. If not, one must look into the possibility that the United States may be struck by such a destructive drought as the Dust Bowl, if not a worse one that would leave us with

  • The Dust Bowl

    1050 Words  | 5 Pages

    The Dust Bowl The Dust Bowl was "the darkest moment in the twentieth-century life of the southern plains," (pg. 4) as described by Donald Worster in his book "The Dust Bowl." It was a time of drought, famine, and poverty that existed in the 1930's. It's cause, as Worster presents in a very thorough manner, was a chain of events that was perpetuated by the basic capitalistic society's "need" for expansion and consumption. Considered by some as one of the worst ecological catastrophes in the

  • Dust Bowl

    416 Words  | 2 Pages

    Dust Bowl When a dust bowl hits ground it’s like nightfall’s in seconds. You could not experience this type of feeling any where in less you were there at that moment. People were frantic. They thought it was the end of the world as they new it. People were coming down with mysterious illness. Both men, women and children were not sure if they would live the next day. This was the wrong time at the wrong place. Nobody could have known that this would have happened at this time. It was an act

  • The Dust Bowl

    939 Words  | 4 Pages

    The Dust Bowl was a treacherous storm, which occurred in the years of the 1930’s, which affected the Midwestern people, an example the farmers, which taught us new technologies and methods of farming. John Steinbeck wrote in his novel from 1939 The Grapes of Wrath: "And then the dispossessed were drawn west- from Kansas, Oklahoma, New Mexico, Texas; from Nevada and Arkansas, families, tribes, dusted out, Caravans, carloads, and homeless. Totals of 20,000, 50,000, 100,000, and 200,000 people. They