Specifications include, but are not limited to: Objective 1: I-84 Capture Task 1.1: Helicopter net gunning crew will capture 30 bighorn sheep. Of these 30 sheep 5 will be ewes which will be translocated to 30 mile on the east side of the John Day River, the remaining 25 will target 15 ewes and 10 rams. Sheep will be tested for diseases, collard translocated. Sheep will be brought to a base to be loaded for translocation. Description; the I-84 herd is located between Rufus to the West and Arlington to the East along the Columbia River. The 15 mile stretch of habitat consists of a basalt cliff complex which rises 1200 feet above the river. This herd consists of approximately 100 California bighorn sheep. Products: Disease sampling, collaring and translocation bighorn sheep Objective 2: Aldrich Capture Task 2.1: Helicopter net gunning crew will capture 15 bighorn sheep. Of these 15 sheep the target is 5 ewes and 10 rams. Sheep will be brought to a base camp tested for diseases, collard and released. Description; the Aldrich herd is located along the west slope of the Aldrich Mountain on the South Fork John Day River. Home range is South from Dayville to the confluence of Murderers Creek with the majority of sheep on the East side of the South Fork John Day River with a small band of approximately 15 sheep located in Black Canyon on the west side of the river. Habitat consists of small canyon complexes interspersed with junipers. The herd consists of approximately 160 California bighorn sheep. Products: Disease sampling and collaring bighorn sheep