
The Missouri River carves a deep valley through this Montana landscape, serving as the natural boundary between Blaine and Fergus counties. Surveyed in the mid-1950s as part of the Department of the Interior program for the Missouri River Basin, the topography reveals the challenging navigation posed by Castle Bluffs Rapids and Bird Rapids. These river features are overlooked by the prominent Castle Bluffs and high triangulation points like VABM 3356 Windsor. High plateaus and ridges, including Pendell Ridge and Lone Tree Ridge, dominate the terrain north of the water. Local drainage systems like Lion Coulee and Bullwhacker Creek feed into the main channel, illustrating the erosion patterns of the Missouri breaks. The map also records a lonely Trail winding through the southern hills, marking the sparse transportation network of this era.
15 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Taffy Ridge
USGS Topo · 1:24,000
1954 · Leroy
USGS Topo · 1:24,000
1954 · Sturgeon Island
USGS Topo · 1:24,000
1954 · Lewistown
USGS Topo · 1:250,000
1959 · Lewistown
USGS Topo · 1:250,000
1985 · Nolan Reservoir
USGS Topo · 1:24,000
1985 · Woodhawk Hill
USGS Topo · 1:24,000
1985 · Sandpiper Reservoir
USGS Topo · 1:24,000
1985 · Butch Reservoir
USGS Topo · 1:24,000
1985 · Reppe Butte
USGS Topo · 1:24,000