Background. Winter freezing causes the surface at mine tailing disposal sites to freeze dry, which makes it a source of fugitive dust.
Chronic Dust and Surface Maintenance Problems Solved at an Intermodal Facility
Background. An intermodal yard was plagued by chronic wind-blown dust, the result of the daily cycling of yard tractors, forklifts, and container-handling equipment.
The Growth of the Global Middle Class
Powered by the domestic coal industry’s explosive growth throughout the 20th century, the United States’ ascent to superpower status within the global economy raised its citizens’ quality of life to a higher standard. Based on this model, we can safely assert that a renewed focus on raising energy production will similarly lift the world’s impoverished peoples out of a collective …
Maintaining Pathways and Park’s History – While Controlling Erosion
Background. The pathways in a century-old Barcelona park continued eroding despite the efforts of park maintenance officials to stem the erosion by re-grading pathways and constructing concrete and stone ditches.