sentences:  By the 1870s, the neighborhood had become overcrowded and aromatic due to its close proximity to the meat packing industry at Mill Creek.Many of the affluent residents, including the last of the Betts descendants, moved to the more fashionable hilltop suburbs, such as College Hill, during the following decades.The once densely populated West End suffered immensely from depopulation; however, it was not long before African Americans began to migrate to the neighborhood.