Case: A, Drawer: 11
Contains 16 Results:
Population Density, U.S. Census 1920, 1937-08-20
Map showing Pittsburgh population density (persons per acre) based on the 1920 census.
Population Density (1934), 1937-08-13
Map showing Pittsburgh population density (persons per acre) based on R.P.I. census in 1934.
Population Movement (1910-1934), 1937-08-30
Map showing the relative percentages of increase or decrease of Pittsburgh population from 1910 U.S. Census to 1934 R.P.I. Census by 1910 enumeration districts.
Industrial Employment (1935), 1937-09-03
A map showing location classification and number of employees of industries employing 100 or more persons in Pittsburgh, using data compiled from 1935 Pennsylvania Industrial Directory.
Transportation: Location of Street Car and Bus Lines, Railroad and Bus Terminals, Inclines, 1937-09-05
A map showing location of street car and local bus lines, railroad and long distance bus terminals, and inclines in Pittsburgh in 1937.
Topographical Map of Pittsburgh and Adjacent Territory, Citizens Committee on City Plan, c. 1935
A topographical map of Pittsburgh and adjacent territory created by the Citizens Committee on City Plan.