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. In the cold morning hours of January 24, 1848, James Marshall, a construction foreman at Sutter s Mill, was inspecting the water flow through the mill s tail race.he California Gold Rush is generally considered to have ended in 1858, when the New Mexican Gold Rush began. These hearty pioneers found the land unbelievably productive, and ultimately California's great wealth came not from its mines but from its farms. Kathy Weiser/Legends of America, updated June, 2015.