p.59

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lutholtz at Jul 27, 2022 06:27 PM

p.59

1844
Section from the Wisconsin to the Mouth of Rock River

1. Lower magnesian limestone, calciferous rock of Eaton
2. Sandstone
3. Blue limestone
4. Geodiferous Niagara or Cliff Limestone with fissures containing ores.
5. Carboniferous limestone - Below it bituminous shale which does not occur in the mines
6. Conglomerate or pebble sandstone
7. Rocks of the coal formation
8. Mineral region
9. Comitiferous rocks occupying top of mounds.

[illustration of strata]

p.59

1844
Section from the Wisconsin to the Mouth of Rock River

1. Lower magnesian limestone, calciferous rock of Eaton
2. Sandstone
3. Blue limestone
4. Geodiferous Niagara or Cliff Limestone with fissures containing ores.
5. Carboniferous limestone - Below it bituminous shale which does not occur in the mines
6. Conglomerate or pebble sandstone
7. Rocks of the coal formation
8. Mineral region
9. Comitiferous rocks occupying top of mounds.

[illustration of strata]