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.
Gold Rush. Discover how the Gold Rush led to the creation of California. On January 24, 1848, a carpenter working at a mill in northern California made a discovery that would change the course of American historyâtwo gold nuggets. Within a year, tens of thousands of people (popularly known as â49ers) were traveling to the land around John Sutterâs mill in hopes of striking it rich.