Question: What is the tributary of Little Butte Creek that starts near the county seat of Jackson County in Oregon?

Context paragraphs:
Lost Creek Bridge: The Lost Creek Bridge is a covered bridge near the unincorporated community of Lake Creek, in Jackson County in the U.S. state of Oregon.  The site is about 15 mi east-northeast of Medford.  At 39 ft long, the structure is the shortest covered bridge in Oregon.  It carries Lost Creek Road over Lost Creek, a tributary of Little Butte Creek.

Little Butte Creek: Little Butte Creek is a 17 mi tributary of the Rogue River in the U.S. state of Oregon.  Its drainage basin consists of approximately 354 mi2 of Jackson County and another 19 mi2 of Klamath County.  Its two forks, the North Fork and the South Fork, both begin high in the Cascade Range near Mount McLoughlin and Brown Mountain.  They both flow generally west until they meet near Lake Creek.  The main stem continues west, flowing through the communities of Brownsboro, Eagle Point, and White City, before finally emptying into the Rogue River about 3 mi southwest of Eagle Point.

Lost Creek (South Fork Little Butte Creek): Lost Creek is a tributary of the south fork of Little Butte Creek in Jackson County in the U.S. state of Oregon.  Flowing north from near Lost Lake east of Medford, it enters the larger stream about 4 mi upstream of the rural community of Lake Creek and about 20 mi from the confluence of Little Butte Creek with the Rogue River.  The only named tributary of Lost Creek is Coon Creek, which enters from the left.

Antelope Creek Bridge: The Antelope Creek Bridge is a wooden covered bridge, 58 ft long, spanning Little Butte Creek in Eagle Point in the U.S. state of Oregon.  Constructed in 1922 by brothers Wes and Lyle Hartman, it originally spanned Antelope Creek, north of Medford.  Antelope Creek is a tributary of Little Butte Creek, which it enters about 2 mi downstream of Eagle Point.  According to "Oregon's Covered Bridges", at its original location the bridge carried "the old Medford – Crater Lake Road" over Antelope Creek.

Big Butte Creek: Big Butte Creek is a 12 mi tributary of the Rogue River in the U.S. state of Oregon.  It drains approximately 245 mi2 of Jackson County.  Its two forks, the North Fork and the South Fork, both begin high in the Cascade Range near Mount McLoughlin.  Flowing predominantly west, they meet near the city of Butte Falls.  The main stem flows generally northwest until it empties into the Rogue Falls was incorporated in 1911, and remains the only incorporated town within the watershed's boundaries.

Antelope Creek (Little Butte Creek): Antelope Creek is a tributary of Little Butte Creek in the U.S. state of Oregon.  It begins in the foothills of the Cascade Range southeast of Medford and flows generally northwest to meet the larger creek downstream of Eagle Point and about 3 mi by water from Little Butte Creek's mouth on the Rogue River.

Dead Indian Creek (Oregon): Dead Indian Creek is a tributary of South Fork Little Butte Creek in Jackson County, in the U.S. state of Oregon.  It flows generally north through the Rogue River – Siskiyou National Forest in the Cascade Range east of Medford.  The creek begins at 2562 ft above sea level near Howard Prairie Lake and enters the South Fork at Camp Latgawa.  The South Fork flows northwest to meet the North Fork near Lake Creek; combined they form Little Butte Creek, a tributary of the Rogue River.

Medford, Oregon: Medford is a city in, and county seat of, Jackson County, Oregon, United States.  As of July 1, 2014, the city had a total population of 78,557 and a metropolitan area population of 208,545, making the Medford MSA the fourth largest metro area in Oregon.  The city was named in 1883 by David Loring, civil engineer and right-of-way agent for the Oregon and California Railroad, suggested by Medford, Massachusetts, near his home town of Concord, Massachusetts, and in recognition of its supposed position near the middle ford of Bear Creek.

Soda Butte Creek: Soda Butte Creek is an approximately 20 mi long major tributary of the Lamar River in Yellowstone National Park.  It is named for a now-extinct geyser (Soda Butte) near its mouth.  Soda Butte and the creek were named by A. Bart Henderson, a Cooke City miner, in 1870.  It rises just outside the northeast corner of the park on the southern slopes of the Absaroka Range near Cooke City, Montana.  The Northeast East Entrance road parallels Soda Butte Creek for its entire length within the park.  Soda Butte Creek is a popular angling destination for native Yellowstone cutthroat trout.

Big Butte Creek Falls: Big Butte Creek Falls, is a waterfall located on the west edge of the Crater Lake National Park, outside of the town of Butte Falls, in Jackson County, in the U.S. state of Oregon.  It totals 15 feet fall in one wide cascade and is the centerpiece attraction of the Butte Creek Falls trailhead and Recreation Site.  The waterfall is runnable with Kayak on the right side shooting into a large bowl.

Supporting paragraphs: Antelope Creek (Little Butte Creek) Medford, Oregon
Answer: Antelope Creek