Question: What trail did the trail, of which Potter-Blocker was a collateral branch, replace?

full_context: Document 1: Bad Pass Trail: The Bad Pass Trail, also known as the Sioux Trail, was established by Native Americans on the border of present-day Montana and Wyoming as a means of access from the Bighorn Basin in Wyoming to Bison-hunting grounds in the Grapevine Creek area of Montana. Marked by stone cairns, the trail led across Bad Pass and was established in pre-Columbian times. After Europeans arrived in the area it was frequented by fur trappers and mountain men, beginning in 1824. Trappers assembled pack trains at the junction of the Shoshone River and the Bighorn River, using the Bad Pass Trail to avoid Bighorn Canyon. The trail ended at the mouth of Grapevine Creek on the Bighorn, from which the pack train could float down the Bighorn on rafts to the Yellowstone River and then to the Missouri and on to St. Louis.
Document 2: Meek Cutoff: The Meek Cutoff was a covered wagon road that branched off the Oregon Trail in northeastern Oregon. The road is named for frontiersman Stephen Meek, who was hired to lead the first wagon train along it in 1845. The journey was a particularly hard one, and many of the pioneers lost their lives.
Document 3: Trading Path: The Trading Path (a.k.a. Occaneechi Path, The Path to the Catawba, the Catawba Road, Indian Trading Path, Unicoi Turnpike, Warriors' Path, etc.) is not simply one wide path, as many named historic roads were or are. It was a corridor of roads and trails between the Chesapeake Bay region (mainly the Petersburg, Virginia area) and the Cherokee, Catawba, and other Native-American groups in the Piedmont region of North Carolina, South Carolina, and Georgia. Indians had used and maintained much of the path for their expansive trading network for centuries prior to its use by Europeans and/or European-Americans. Indian and later European/European-American settlements occupied key points along the path. That section of the Trading Path through the Carolina piedmont was also known as the Upper Road, and a portion between North Carolina and Georgia was called the Lower Cherokee Traders Path.
Document 4: Chisholm Trail: The Chisholm Trail was a trail used in the post-Civil War era to drive cattle overland, from ranches in Texas to Kansas railheads. The portion of the trail marked by Jesse Chisholm went from his southern trading post near the Red River, to his northern trading post near Kansas City, Kansas.
Document 5: Great Western Cattle Trail: The Great Western Cattle Trail was used during the 19th century for movement of cattle and horses to markets in eastern and northern states. The trail was also known as the Western Trail, Fort Griffin Trail, Dodge City Trail, Northern Trail and Texas Trail. It replaced the Chisholm trail when it closed. While it wasn't as well known, it was greater in length, reaching rail-heads up in Kansas and Nebraska and carried longhorns and horses to stock open-range ranches in the Dakotas, Wyoming, Montana, and two provinces in Canada.
Document 6: Nobles Emigrant Trail: The Nobles Emigrant Trail, also known as the Fort Kearney, South Pass and Honey Lake Wagon Road, is a trail in California that was used by emigrant parties from the east as a shortened route to northern California. It was pioneered in 1851 by William Nobles, who discovered an easy shortcut between the Applegate Trail in Nevada and the Lassen Trail in California. The trail was extensively used until the 1870s, when it was superseded by railroads.
Document 7: Bozeman Trail: The Bozeman Trail was an overland route connecting the gold rush territory of Montana to the Oregon Trail. Its most important period was from 1863–68. Despite its name, "the major part of the route in Wyoming used by all Bozeman Trail travelers in 1864 was pioneered by Allen Hurlbut". Many miles of the Bozeman Trail in present Montana followed the tracks of Bridger Trail, opened by Jim Bridger in 1864. The flow of pioneers and settlers through territory of American Indians provoked their resentment and caused attacks. The challengers to the route were newly arrived Lakotas and their Indian allies, the Arapahoe and the Cheyenne. The United States put emphasis on a right to "establish roads, military and other posts" as described in Article 2 in the Fort Laramie Treaty of 1851. All parties in the conflict had signed that treaty. The Crow Indians held the treaty right to the contested area and had called it their homeland for decades. They sided with the whites. The U.S. Army undertook several military campaigns against the hostile Indians to try to control the trail. Because of its association with frontier history and conflict with American Indians, various segments of the trail are listed on the National Register of Historic Places (NRHP).
Document 8: Boot Hill and Western Railway: The Boot Hill and Western Railway (abbreviated to BHWY), is a railway between Dodge City and Wilroads in Kansas owned by the Boot Hill and Western Railway Company. It consists of a single track section, about 42 kilometers long. It mainly transported agricultural products and had two interchanges, one with the BNSF Railway and another with the Cimarron Valley Railroad. The railway was given an exemption notice in 2005. Transport between Bucklin and Wilroads stopped in Autumn 2005 due to a lack of traffic, it has only operated eight trains since September 2000. The Boot Hill and Western Railway Company acquired part ownership of the track in September 2000 from the previous owner, the Dodge City Ford and Bucklin Railroad Company. It previously had a role in the interconnection with the Bucklin Union Pacific Railroad.
Document 9: Covered wagon: The covered wagon was long the dominant form of transport in pre-industrial America. With roots in the heavy Conestoga wagon developed for the rough, undeveloped roads and paths of the colonial East, the covered wagon spread west with American migration. Heavily relied upon along such travel routes as the Great Wagon Road and the Santa Fe and Oregon Trails, it carried settlers seeking land, gold, and new futures ever further west.
Document 10: Oregon Trail: The Oregon Trail is a 2170 mi historic east–west, large-wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon. The eastern part of the Oregon Trail spanned part of the future state of Kansas, and nearly all of what are now the states of Nebraska and Wyoming. The western half of the trail spanned most of the future states of Idaho and Oregon.
Document 11: Southern Emigrant Trail: Southern Emigrant Trail, also known as the Gila Trail, the Kearny Trail, Southern Trail and the Butterfield Stage Trail, was a major land route for immigration into California from the eastern United States that followed the Santa Fe Trail to New Mexico during the California Gold Rush. Unlike the more northern routes, pioneer wagons could travel year round, mountain passes not being blocked by snows, however it had the disadvantage of summer heat and lack of water in the desert regions through which it passed in New Mexico Territory and the Colorado Desert of California. Subsequently, it was a route of travel and commerce between the eastern United States and California. Many herds of cattle and sheep were driven along this route and it was followed by the San Antonio-San Diego Mail Line in 1857-1858 and then the Butterfield Overland Mail from 1858 - 1861.
Document 12: Potter-Blocker Trail: The Potter-Blocker Trail (sometimes called the Potter-Bacon Cutoff), and also just the potter-bacon trail was a trail blazed by Jack Potter used to move cattle to market, starting around 1883. It was a collateral branch of the Great Western Cattle Trail, but was shorter and crossed more unforgiving land. The trail went at least from Hebbronville, Texas up to Albany, TX, intersecting the Western Trail at Alice, Texas.
Document 13: Tucson Cutoff: The Tucson Cutoff was a significant change in the route of the Southern Emigrant Trail. It became generally known after a party of Forty-Niners led by Colonel John Coffee Hays followed a route suggested to him by a Mexican Army officer as a shorter route than Cooke's Wagon Road which passed farther south to cross the mountains to the San Pedro River at Guadalupe Pass.
Document 14: Sauk Trail: The Sauk Trail began as a Native American trail running through Illinois, Indiana and Michigan in the United States. From west to east, the trail ran from Rock Island on the Mississippi River to the Illinois River near modern Peru then along the north bank of that river to Joliet, and on to Valparaiso, Indiana. Then it ran northeasterly to La Porte and into southern Michigan running through Niles, Three Rivers, Ypsilanti, and ending at the Detroit River near Detroit. There is a suggestion that sections of the trail followed the southern boundary between the dense forest and the mixed grassland regions. The presence of a mastodon trailway along the same path indicates that the Native Americans may have been using a long established game trail. Henry Schoolcraft, at present-day Michigan City, Indiana, in 1820, describes the trail, as a "plain horse path, which is considerably traveled by traders, hunters, and others..." and said that a stranger could not follow it without the services of a guide because of the numerous side trails. The Sauk Trail intersected many important trails and early roads including the trails to Vincennes, to Green Bay, to Fort Wayne and to Little Traverse Bay.
Document 15: Overland Trail: The Overland Trail (also known as the Overland Stage Line) was a stagecoach and wagon trail in the American West during the 19th century. While portions of the route had been used by explorers and trappers since the 1820s, the Overland Trail was most heavily used in the 1860s as an alternative route to the Oregon, California, and Mormon trails through central Wyoming. The Overland Trail was famously used by the Overland Stage Company owned by Ben Holladay to run mail and passengers to Salt Lake City, Utah, via stagecoaches in the early 1860s. Starting from Atchison, Kansas, the trail descended into Colorado before looping back up to southern Wyoming and rejoining the Oregon Trail at Fort Bridger. The stage line operated until 1869 when the completion of the First Transcontinental Railroad eliminated the need for mail service via Thais' stagecoach. Mostly used during the gold rush of 1848.
ground_truth: Chisholm trail