Classifier Instance:

Anchor text: North Platte
Target Entity: North_Platte_River
Preceding Context: were trappers and explorers, employed by various British and United States fur companies or working as free trappers, who roamed the North American Rocky Mountains from about 1810 to the early 1840s. They usually traveled in small groups for mutual support and protection. Trapping took place in the fall when the fur became prime. Mountain men primarily trapped beaver and sold the skins. A good beaver skin could bring up to $4.00 at a time when a man's wage was often $1.00/day. Some were more interested in exploring the West. In 1825, the first significant American Rendezvous occurred on the Henry's Fork of the Green River. The trading supplies were brought in by a large party using pack trains originating on the Missouri River. These pack trains were then used to haul out the fur bales. They normally used the north side of the Platte River—the same route used 20 years later by the Mormon Trail. For the next 15 years the American rendezvous was an annual event moving to different locations, usually somewhere on the Green River in the future state of Wyoming. Each rendezvous, occurring during the slack summer period, allowed the fur traders to trade for and collect the furs from the trappers and their Indian allies without having the expense of building or maintaining a fort or wintering over in the cold Rockies. In only a few weeks at a rendezvous a year's worth of trading and celebrating would take place as the traders took their furs and remaining supplies back east for the winter and the trappers faced another fall and winter with new supplies. Jim Beckwourth describes: "Mirth, songs, dancing, shouting, trading, running, jumping, singing, racing, target-shooting, yarns, frolic, with all sorts of extravagances that white men or Indians could invent." In 1830, William Sublette brought the first wagons carrying his trading goods up the Platte,
Succeeding Context: , and Sweetwater River (Wyoming) before crossing over South Pass to a fur trade rendezvous on the Green River near the future town of Big Piney, Wyoming. He had a crew that dug out the gullies and river crossings and cleared the brush where needed. This established that the eastern part of most of the Oregon Trail was passable by wagons. In the late 1830s the Hudson's Bay Company instituted a policy intended to destroy or weaken the American fur trade companies. The Hudson's Bay Company's annual collection and re-supply Snake River Expedition was transformed to a trading enterprise. Beginning in 1834, it visited the American Rendezvous to undersell the American traders—losing money but undercutting the American fur traders. By 1840 the fashion in Europe and Britain shifted away from the formerly very popular beaver felt hats and prices for furs rapidly declined and the trapping almost ceased.
Paragraph Title: null
Source Page: Oregon Trail

Ground Truth Types:

Predicted Types:

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