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dune

(Encyclopedia) dune, mound or ridge of wind-blown sand formed in arid regions and along coasts. Dunes are common in most of the great deserts of the world. Often a dune begins to form because…

casting

(Encyclopedia) casting or founding, shaping of metal by melting and pouring into a mold. Most castings, especially large ones, are made in sand molds. Sand, mixed with a binder to hold it together,…

Grand Haven

(Encyclopedia) Grand Haven, city (2020 pop. 11,011), seat of Ottawa co., SW Mich., at the mouth of the Grand River; inc. 1867. It is a port on Lake…

sandstone

(Encyclopedia) sandstone, sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness…

fiddler crab

(Encyclopedia) fiddler crab, common name for small, amphibious crabs belonging to the genus Uca. They are characterized by a rectangular carapace (shell) and a narrow abdomen, which is flexed under…

Joshua SANDS, Congress, NY (1757-1835)

SANDS Joshua , a Representative from New York; born in Cow Neck (now Sands Point), Queens County, Long Island, N.Y., October 12, 1757; received a limited schooling; served as captain in the…

Great Sand Dunes National Park and Preserve

(Encyclopedia) Great Sand Dunes National Park and Preserve, 132.4 sq mi (343 sq km), in the San Luis Valley of S Colorado; est. as a national monument 1932, designated a national park 2004. Lying in…

Kyzyl Kum

(Encyclopedia) Kyzyl Kum or Kizil KumKizil Kumboth: kəzŭlˈ k&oomacr;m [key] [Turk.,=red sand], desert, c.115,000 sq mi (297,900 sq km), in Kazakhstan and Uzbekistan. This vast region SE of the…