The story
The borders referred to are with Saskatchewan and North Dakota, in the south-west corner of the province.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A rural municipality in the south-west corner of Manitoba, Canada, formed in 2015 from the rural municipalities of Albert, Arthur and Edward. Full definition →
The borders referred to are with Saskatchewan and North Dakota, in the south-west corner of the province.
Etymology from Wiktionary, CC BY-SA 4.0.