pumice gravel

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• Botrychium pumicola — Taxobox image caption = Pumice Moonwort name = Pumice Moonwort status = G3 status system = TNC regnum = Plantae divisio = Pteridophyta classis = Filicopsida ordo = Ophioglossales familia = Ophioglossaceae genus = Botrychium species = B. pumicola… …   Wikipedia

• Lava Beds National Monument — Infobox protected area | name = Lava Beds National Monument iucn category = III caption = locator x = 18 locator y = 53 location = Northern California, USA nearest city = Klamath Falls, Oregon lat degrees = 41 lat minutes = 42 lat seconds = 50… …   Wikipedia

• Westerwald — The Westerwald (IPA2|ˈvɛstɐvalt) is a low mountain range on the right bank of the river Rhine in the German federal states of Rhineland Palatinate, Hesse and North Rhine Westphalia. It is a part of the Rheinisches Schiefergebirge (Rhenish Slate… …   Wikipedia

• Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …   Universalium

• Construction aggregate — Limestone quarry …   Wikipedia

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• Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… …   Wikipedia

• Hauraki Plains — The Hauraki Plains are an area located in the northern North Island of New Zealand. They are located 75 kilometres southeast of Auckland, at the foot of the Coromandel Peninsula and occupy the southern portion of a rift valley bounded on the east …   Wikipedia

• Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …   Wikipedia

• List of vineyard soil types — The soil composition of vineyards is one of the most important viticultural consideration when planting grape vines. The soil supports the root structure of the vine and influences the drainage levels and amount of minerals and nutrients that the …   Wikipedia

• Geology of Jersey — The geology of Jersey is characterised by the Late Proterozoic Brioverian volcanics, the Cadomian Orogeny, and only small signs of later deposits from the Cambrian and Quaternary periods. The kind of rocks go from conglomerate to shale, volcanic …   Wikipedia