contour pond
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Walden Pond — Étang de Walden L étang de Walden en juillet 2005. L Étang de Walden (Walden Pond) est un étang profond de 41 m (102 pieds) dont la superficie est de 61 acres et le contour de 1.7 miles, localisé à Concord, dans le Massachusetts aux États Unis. C … Wikipédia en Français
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… … Wikipedia
Nonpoint source pollution — Muddy river polluted by sediment. Photo courtesy of United States Geological Survey. Nonpoint source (NPS) pollution refers to both water and air pollution from diffuse sources. Nonpoint source water pollution affects a water body from sources… … Wikipedia
Coucou Gris — Coucou gris … Wikipédia en Français
Coucou gris — Cuculus canorus … Wikipédia en Français
Cuculus canorus — Coucou gris Coucou gris … Wikipédia en Français
Le coucou gris — Coucou gris Coucou gris … Wikipédia en Français
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
bird — birdless, adj. /berrd/, n. 1. any warm blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard shelled egg. 2. a fowl or game bird. 3 … Universalium
