St Ignatius serves as the focal point of this Mission Valley landscape, where the intersection of water management and topography is clearly visible. The map details an intricate network of irrigation infrastructure including the Mission C Canal and the F Mission Canal, which divert water from the mountain-fed Mission Cr to support the surrounding agricultural lands. The terrain transitions from the relatively level valley floor near the St Ignatius Airport to the rising elevations of the Mission Range in the east, where the Mission Reservoir sits at the base of steep canyon walls.
47 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Elbow Lake
USGS Topo · 1:125,000
1955 · Choteau
USGS Topo · 1:250,000
1956 · Wallace
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000
1959 · Arlee
USGS Topo · 1:62,500
1960 · Wallace
USGS Topo · 1:250,000
1962 · Choteau
USGS Topo · 1:250,000
1964 · Fort Connah
USGS Topo · 1:24,000
1964 · Saint Ignatius
USGS Topo · 1:24,000