Sections showing development along mass fissure, Ahmeek mine
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Hōputu: | Mahere whenua |
| Reo: | Ingarihi |
| I whakaputaina: |
U. S. Geological Survey
|
| Rangatū: | Professional paper 144 |
| Ngā Tūtohu: |
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!
|
Ngā tūemi rite: Sections showing development along mass fissure, Ahmeek mine
- Sections showing development along fissures from Ahmeek mine to Pennsylvania mine, Keweenaw counyy, Mich.
- Development of Minesota fissure and associated Lodes of Michigan mine
- Longitudinal section of forest Lode, evergreen mine
- Longitudinal sections of Allouez conglomerate and Keweenaw mine
- Geologic sections of Quincy mine, T. 55 N., R. 34 W., Houghton County, Mich.
- Geologic sections of Elm river mine (contact copper co.), T. 52 N., R. 36 W.