Rivière aux Marais dominates this flat, cross-border landscape, winding southward across the international boundary between Manitoba and North Dakota. This section of the Red River Valley shows the river's intricate oxbows and meanders through an open, agricultural plain. The map records the precise location of the border with Canada during the mid-2010s, reflecting a region where the natural waterway and the geopolitical line intersect. The sparse labeling suggests a landscape largely devoted to large-scale farming and drainage, where the river remains the primary geographic marker in an otherwise grid-defined prairie.
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This is the sole edition of this map. No revisions or reprints were ever made.
1939 · Pembina
USGS Topo · 1:62,500
1941 · Bathgate
USGS Topo · 1:62,500
1941 · Pembina
USGS Topo · 1:62,500
1952 · Thief River Falls
USGS Topo · 1:250,000
1956 · Thief River Falls
USGS Topo · 1:250,000
1957 · Thief River Falls
USGS Topo · 1:250,000
1967 · Thief River Falls
USGS Topo · 1:250,000
1970 · Bathgate NE
USGS Topo · 1:24,000
1971 · Bathgate
USGS Topo · 1:24,000
1972 · Pembina
USGS Topo · 1:24,000