(Encyclopedia) AskjaAskjaäsˈkyä [key], volcano, c.4,950 ft (1,510 m) high, E central Iceland; one of the highest in Europe. Its great eruption of 1875 devastated a large area; Askja last erupted in…
(Encyclopedia) PříbramPříbrampərzhĭbˈräm [key], town (1991 pop. 36,898), SW Czech Republic, in Bohemia. It is one of the oldest gold- and silver-mining centers of Bohemia, with mine shafts more than…
(Encyclopedia) Cambrian MountainsCambrian Mountainskămˈbrēən [key], rugged upland plateau occupying most of Wales; Aran Fawddwy (2,970 ft/905 m) is the highest point in the mountains. The area has…
(Encyclopedia) Morganton, town (1990 pop. 15,085), seat of Burke co., W N.C., on the Catawba River in the foothills of the Blue Ridge Mts.; founded 1784, inc. 1885. A lake resort town, it also has…
(Encyclopedia) Manhattan, city (1990 pop. 37,712), seat of Riley co., NE Kans., at the confluence of the Big Blue and Kansas rivers; inc. 1857. It is the trade and processing center of a farm area.…
(Encyclopedia) ultramarine, blue pigment used chiefly as a coloring material and as a bluing agent. A double silicate of sodium and aluminum with some sulfur, it is prepared commercially from kaolin…
Of Agnes, Gloria, and HugoWeatherBlowing Cold and Hot: The Big OnesWinter Gone SouthBig-City SnowsStorm of the Century?The Greatest One of AllModern Winter of Deep SnowsGalveston Storm SurgeThe Great…
FAULTSEISMOLOGYFIND OUT MOREEarthquakes are caused by movements of the giant tectonic plates that form Earth’s crust. SEISMOLOGY is the study of earthquakes. Most occur at cracks called…
(Encyclopedia) sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or esters of sulfuric acid, H2SO4, formed by replacing one or both of the hydrogens with a metal (e.…
