Interior view of completed Substation #7. Add to clipboard CA ccg ccg-2077-is-ccg-4622 Item 1954 Part of City of Calgary. Electric System fonds "2846"
Underground ducts running beneath the CPR tracks. Add to clipboard CA ccg ccg-2077-is-ccg-4623 Item 1953 Part of City of Calgary. Electric System fonds "2847"
