Landforms and Definitions List List of Landforms. Alluvial fan: land formation that occurs when sedimentary materials such as rocks, gravel, and silt, are deposited onto land as a result of decreasing or stopped water flow from a river or stream source.Altitude (elevation): the height above sea level.ift Valley: two separating tectonic plates forming a valley by the land falling. River: a large stream of water flowing through the land into a lake, ocean, or other body of water. River Delta: a branching river extending into another body of water. River Island: an island in a river.
Morningside, Maryland. Morningside is an incorporated town in Prince George's County, Maryland, United States. The population was 2,015 at the 2010 census. The town developed with the establishment of nearby Andrews Air Force Base and the federal Census Bureau. The government of the town is led by a mayor and town council.
Suitland-Silver Hill is a census-designated place (CDP) in Prince George's County, Maryland, United States. The census area include separate unincorporated communities of Silver Hill and Suitland, and other smaller communities. The population was 33,515 at the 2000 census. The community was named for a 19th century landowner, State Senator Samuel Taylor Suit and his estate. The Suitland-Silver Hill area is known as having one of the highest crime rates in Prince George's County.