dry mud
71tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
72Eurasian Crag Martin — Perching on a roof in Alcobaça, Portugal Conservation status …
73Djenné —   Commune and town   …
74Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
75Elephant — Taxobox name = Elephant image width = 250px image caption = An African Bush Elephant near the border of the Serengeti and Ngorongoro Conservation Area in Tanzania. regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Mammalia ordo …
76Geology of the Capitol Reef area — [ Waterpocket Fold is the major geographic feature in the area of the park. This view is from above Capitol Reef Scenic Drive looking back at the west face of the broken and eroded fold.] The exposed geology of the Capitol Reef area presents a… …
77ciconiiform — ▪ bird Introduction any member of the five or six families of storklike (stork) birds (bird): herons (heron) and bitterns (bittern) (Ardeidae), the shoebill (sole species of the Balaenicipitidae), the hammerhead (sole species of the Scopidae) …
78Jehanabad — Infobox Indian Jurisdiction native name = Jehanabad | type = city | latd = | longd = state name = Bihar district = Jehanabad leader title = leader name = altitude = population as of = 2001 population total = 81,723| population density = area… …
79Maritime history of California — History of California This article is part of a series Timeline …
80arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …
