2024 Map of Blackhawk
USGS Topo · Published 2024About this map
The Mississippi River forms a dominant boundary along the western edge of this landscape, carving a complex network of islands and backwaters such as Big Soup Bone Island, Little Soup Bone Island, and Railroad Island. This modern survey reveals a highly specialized river environment preserved within the Upper Mississippi River National Wildlife and Fish Refuge, where seasonal changes dictate the visibility of features like Santa Fe Beach and Savanna Bay.
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Map Details
Editions of this 2024 Blackhawk Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1892 · Savanna
USGS Topo · 1:62,500
1911 · Elizabeth
USGS Topo · 1:62,500
1911 · Galena
USGS Topo · 1:62,500
1913 · Galena
USGS Topo · 1:62,500
1935 · Miles
USGS Topo · 1:62,500
1936 · Elizabeth
USGS Topo · 1:62,500
1941 · Miles
USGS Topo · 1:62,500
1952 · Savanna
USGS Topo · 1:62,500
1953 · Blackhawk
USGS Topo · 1:24,000
1953 · Green Island
USGS Topo · 1:24,000