Section 13.01.07.209 - GAME MANAGEMENT UNIT BOUNDARY DESCRIPTIONS - UNITS 46-5001.Unit 46. Those portions of ELMORE, OWYHEE, and TWIN FALLS COUNTIES within the following boundary: beginning at the State Highway 51 bridge on the Snake River, then upstream (including islands) to the Gridley Bridge across the Snake River near Hagerman, then southeast on U.S. 30 to U.S. 93, then south on U.S. 93 to Rogerson, then southwest on Rogerson-Three Creek-Jarbidge Road to the Idaho-Nevada state line, then west on the state line to the Bruneau River, then downstream to State Highway 51, then north on State Highway 51 to the Snake River, the point of beginning.02.Unit 47. Those portions of OWYHEE and TWIN FALLS COUNTIES within the following boundary: beginning at Rogerson on U.S. 93, then southwest on Rogerson-Three Creek-Jarbidge Road to the Idaho-Nevada State line, then east along the state line to U.S. 93, then north on U.S. 93 to the point of beginning.03.Unit 48. That portion of BLAINE COUNTY within the following boundary: beginning at Ketchum, then south on State Highway 75 to U.S. 20, then west on U.S. 20 to the County Line Road, then north on County Line Road, to and then northeast on Camp Creek Road, to and then northeast on Croy Creek Road to Kelly Gulch Creek, then up Kelly Gulch Creek to the Big Wood River-Camas Creek-South Fork of the Boise River watershed divide, then north, east, and south around the headwaters of the Big Wood River to Trail Creek Road, then southwest on Trail Creek Road to Ketchum, the point of beginning.04.Unit 49. That portion of BLAINE COUNTY with the following boundary: beginning at Ketchum, then south on State Highway 75 to U.S. 20, then east on U.S. 20 to milepost 221.2, which is the watershed divide between the Copper Creek and Cottonwood Creek watershed, and then north along the watershed divide to, and then north along the watershed divide between the Little Wood and Big Lost Rivers, to and then north along the divide to the watershed divide between the Big Wood and Big Lost Rivers, then along the divide to the Trail Creek Road, then southwest on Trail Creek Road to the point of beginning.05.Unit 50. Those portions of BLAINE, BUTTE, and CUSTER COUNTIES within the Big Lost River drainage north of U.S. 20-26 and State Highway 33, and the area east of the watershed divide between Copper Creek and Cottonwood Creek (intersecting U.S. 20-26 at milepost 221.2) and north of U.S. 20-26.Idaho Admin. Code r. 13.01.07.209