
Laurentian Divide and Missabe Mountain form the geologic backdrop of this iron-rich landscape during a period of intense industrial activity. The city of Gilbert serves as the primary hub, surrounded by massive open-pit operations like the Gilbert Mine and Schley Mine. The extraction of ore is facilitated by the Duluth Missabe and Iron Range railroad, which weaves through complex mine dumps and active pits that define the northern half of the quadrangle.
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4 editions found
1950 · Biwabik
USGS Topo · 1:24,000
1950 · Mc Kinley
USGS Topo · 1:24,000
1951 · Biwabik
USGS Topo · 1:24,000
1951 · Mc Kinley
USGS Topo · 1:24,000
1951 · Palo
USGS Topo · 1:24,000
1951 · Gilbert
USGS Topo · 1:24,000
1951 · Eveleth
USGS Topo · 1:24,000
1951 · Virginia
USGS Topo · 1:24,000
1951 · Central Lakes
USGS Topo · 1:24,000
1951 · Zim
USGS Topo · 1:24,000