In 1990, the Neighborhood Identification Project set boundaries and names for 75 areas of the city. In other cases, some historic identities are revived by community or political groups, as for instance with Bronzeville. Certainly, residents and realtors tend to assign new names as neighborhoods evolve. On the other hand, Beerline B and Brewers' Hill residents might or might not agree that Beerline B is part of Brewers' Hill. At the same time some Riverwest residents may regard the Beerline B as a separate distinct neighborhood or perhaps part of adjacent Brewers' Hill. For instance, Brady Street and East Village are inside the East Side, but Beerline B is essentially located in Riverwest. This encyclopedic problem is true for all cities but is particularly complicated in Milwaukee when identified neighborhoods can be within other neighborhoods. Although rooted in history, neighborhoods remain social constructions, in which seemingly concrete things like boundaries are in flux, according to the observer and time period. Two residents of the same neighborhood may describe different neighborhood boundaries, which could be based on ZIP codes, ethnic groupings, or simply personal opinion. Location of Milwaukee in Milwaukee County (left) and Wisconsin (right)