natural drainage hole
111Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …
112Oregon Trail — For other uses, see Oregon Trail (disambiguation). Oregon Trail The route of the Oregon Trail shown on a map of the western United States from Independence, Missouri (on the eastern end) to Oregon City, Oregon (on the western end) …
113Comstock Lode — Bonanza ore, Consolidated California and Virginia Mine, Comstock Lode The Comstock Lode was the first major U.S. discovery of silver ore, located under what is now Virginia City, Nevada, on the eastern slope of Mount Davidson, a peak in the… …
114Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
115Sod roof — A sod roof or turf roof is a traditional Scandinavian type of roof covered with sod on top of several layers of birch bark on gently sloping wooden roof boards. Until the late 19th century it was the most common roof on rural log houses in large… …
116Atlantic Ocean — an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km);… …
117Geography of Ireland — The geography of Ireland describes an island in northwest Europe in the north Atlantic Ocean. The main geographical features of Ireland include low central plains surrounded by a ring of coastal mountains. The highest peak is Carrauntoohil ( ga.… …
118Coalbed methane — (CBM) or Coal Bed Methane[1], coalbed gas or coal mine methane (CMM) is a form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, and other countries. Australia has… …
119Rondout Creek — Geobox|River name = Rondout Creek native name = other name = category = etymology = nickname = image caption = Rondout Creek at the eastern edge of the Catskills, between Napanoch and Rondout Reservoir. country = United States state = New York… …
120Effects of Hurricane Katrina in New Orleans — Hurricane Katrina 2005 Atlantic hu …
