Those early 20th century houses in the bottom right show how extensive the older parts of Halifax are, at least for a smaller city. The farthest commercial area with storefronts is about 5 km from downtown (Dutch Village Road). Lady Hammond Road even has some old brick storefront buildings.
The Robie Street reservoir, a landmark in the area, was built in 1913 (
Built Halifax has a great article about it). Much older than I thought but when you look closely at the details in the concrete it looks like it's from that era.