منابع مشابه
Channel Development on Unreclaimed Surface Mines in the Beaver Creek Watershed, Tucker County, West Virginia
Mining in the early to mid 1900’s has degraded streams within the Beaver Creek watershed in Tucker County, West Virginia. Channels have incised to bedrock and banks suffer from severe erosion. The sediment supply surpasses the stream’s transport capacity, which has resulted in channel alterations. In a preliminary study, the headwater regions of two streams within the Beaver Creek watershed wer...
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The Beaver Creek Trail Crossing Site was a fording location along the Nebraska City Cut-Off of the Oregon and California Trail, occupiedfrom 1862 through 1871. The site was situated on both creek banks and contained a road ranch. saloon, store, and post office. Geophysical data showed anomalies corresponding to irregularities in the ground surface. While excavation units placed at these locatio...
متن کاملBeaver in the liver
A 60-year-old woman with a congenital solitary right kidney presented with 1 month history of right flank pain associated with hematuria and urinary tract infection (UTI) symptoms. A Computed tomography (CT) was done in view of the precious kidney, and revealed features suggestive of right obstructive uropathy with pyelonephritis; for which appropriate treatment was subsequently instituted. Inc...
متن کاملMeteorite studies
eteorites yield a wealth of information concerning Solar System origin, geochemical evolution of primitive parent objects, and irradiation histories of material in space. Since the numerous (approximately 16,000) antarctic meteorites include many of rare or unique types, current extraterrestrial materials research attention focuses on this population. Antarctic meteorites also have the potentia...
متن کاملAttacking the Busy Beaver 5
Since T. Rado in 1962 defined the busy beaver game several approaches have used computer technology to search busy beavers or even compute special values of Σ. Σ(5) is not yet known. A new approach to the computation of Σ(5) is presented, together with preliminary results, especially Σ(5)≥4098. This approach includes techniques to reduce the number of inspected Turing machines, to accelerate si...
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ژورنال
عنوان ژورنال: Science
سال: 1893
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-22.546.41-b