The houses in Popoff did not really line up into streets and avenues, but they were numbered. There were larger bunkhouses in the middle and communal baths. The internees also built a community hall.
My father walked about 3 miles to the High School set up in a church in Slocan City, run by Sisters of the Assumption of the Blessed Virgin from Quebec.
This is a simplified version of the map sketched in 1993 of the Slocan area around 1945, published in the NNM publication, Karizumai, A Guide to Japanese Canadian Internment Sites.