4th W/500 W extension

feature #907565

created 2017-08-08 by mpimport
location: 40°46'56"N, 111°54'19"W
assertion #3420380 by mpimport on 2017-08-08: confidence 0%.
bounds: Salt Lake 28th Ward (valid starting: 30 Apr 1909)
assertion #3045601 by mpimport on 2017-08-08: confidence 100%.
bounds: Salt Lake 24th (1906) Ward
assertion #3045420 by mpimport on 2017-08-08: confidence 100%.