natural drainage hole
91History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …
92Kettle Creek State Park — Geobox Protected Area name = Kettle Creek State Park native name = other name = other name1 = category local = Pennsylvania State Park category iucn = III image caption = Kettle Creek Lake vista at Kettle Creek State Park etymology type = Named… …
93Ley tunnel — Ley tunnels are a common element of the local folklore tradition in the United Kingom and they also occur in Europe. Ley tunnels are said to physically link together such prominent places as country houses, castles, churches, ancient monuments… …
94Amazon rainforest — Amazonia redirects here. For other uses, see Amazonia (disambiguation). Amazon Rainforest Forest …
95Geography of Missouri — Physiographic map of Missouri (Legend) Courtesy USGS Missouri, a state near the geographical center of the United States, has three distinct physiographic divisions: * a north western upland plain or prairie region part of the Interior Plains… …
96Taconic State Parkway — Taconic State Parkway …
97Crown Fountain — spouting water on visitors Artist Jaume Plensa …
98Aliso Creek (Orange County) — Not to be confused with Aliso Creek (Los Angeles County). Coordinates: 33°30′38″N 117°45′9″W / 33.51056°N 117.7525°W / 33.51056; …
99Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
100Nainital Lake — View of Lake in the backdrop of Nainital Location Uttarakhand Coordinates …
