Fill dirt
Fill dirt is taken from a location where soil is being removed as a part of leveling an area for construction; it may also contain sand, rocks, and stones, as well as earth.Several massive uses of fill dirt are with improvements to the Port of Seattle Sea-Tac Airport, the addition of a new runway to the Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia, and the Kansai International Airport off the coast of Osaka, Japan, a project involving the creation of a new man-made island of some five square kilometers.The logistics and availability of fill dirt material has become a growing concern for the commercial sand and gravel industry in recent years as the need for fill material has surged and the available resources in mines are depleted.In an effort to combat the costs and increasing logistical challenges related to dwindling sand and gravel stockpiles, some services are offering contractors and the public a way to exchange fill dirt materials in addition to locating operating sand and gravel mines.Fill dirt is also used for landscaping projects which involve the creation of ridges and earth structures for pools, waterfalls, and other water features as well as to break up a level area in order to provide more interesting textures to the landscape.