the degree of arterial disease in the lower extremities is often classified into four categories normal 0 % stenosis 1 49 % stenosis 50 99 % stenosis and total occlusion 100 % stenosissome laboratories further differentiate between 50 74 % stenosis and 75 99 % stenosishe degree of arterial disease in the lower extremities is often classified into four categories normal 0 % stenosis 1 49 % stenosis 50 99 % stenosis and total occlusion 100 % stenosis
Land Rush of 1889. The Oklahoma Land Rush of 1889 was the first land rush into the Unassigned Lands. The area that was opened to settlement included all or part of the present-day Canadian, Cleveland, Kingfisher, Logan, Oklahoma, and Payne counties of the US state of Oklahoma.
The California Gold Rush (1848â1855) was a period in American History which began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California.n August 19, 1848, the New York Herald was the first major newspaper on the East Coast to report the discovery of gold. On December 5, 1848, President James Polk confirmed the discovery of gold in an address to Congress.