Lethbridge South East project structure map of West Magrath District No 23.

Scope and Content: Boundaries: RG.22-RG.23. and TP.4-TP.6. W. of 4th M. Shows Location of: Blood Indian Reserve, St. Mary River, Spring Coulee, Canadian Pacific Railway, Bradshaw, A.R.& I. Magrath Lateral (Constructed to be Enlarged), Proposed Magrath Lateral Extension, timber gates ("G"), timber drops ("D"), timber…

Scope and Content: Boundaries: RG.22-RG.23. and TP.4-TP.6. W. of 4th M. Shows Location of: Blood Indian Reserve, St. Mary River, Spring Coulee, Canadian Pacific Railway, Bradshaw, A.R.& I. Magrath Lateral (Constructed to be Enlarged), Proposed Magrath Lateral Extension, timber gates ("G"), timber drops ("D"), timber bridges ("B"), concrete outlets ("O"), weirs combined with gates ("W"), weirs at ends of ditches ("w"), inclined bench flumes ("I"), syphons, chutes, laterals, Natural BA Channel, Main Canal, Cardston Branch, "O" Lateral Legend: located on left side of map: Title: Explanation of Symbols of Standard Structures; includes detailed specifications and symbols for Small Timber Gates, Small Timber Drops, Bridges, Inclined Flumes, Concrete Outlets

Notes: Scale: 1 inch = 2000 feet Some squares and rectangles outlined in red; several white lines with directional arrows Several sections labeled with varying acreage amounts Notation on back of map: W. Magrath District Irrigable Areas (in pencil); & Explanation of Symbols for Structures (in red, very faint) Department of the Interior Reclamation Service Irrigation Division Calgary. Stamps (unsigned) located below title: Engineer-in-Charge, Chief Field Inspector, Commissioner of Irrigation and Chief Engineer