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Image
Spheroidal weathering in trap rock
- Photographer
- Date
-
- ca. 1928
- Summary
-
- Photograph showing spheroidal weathering of trap rock along the St. Croix River. A rock hammer seen at lower right is used for scale.
-
- File
Permalink
https://digital.library.wisc.edu/1711.dl/RXWFXYVJAMY7I8H
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Details
- Photographer
- Hansell, J. M.
- Contributor
- Hansell, J. M.
- Date
- ca. 1928
- Description of Original
- Black and white photograph, 4.375 inches by 2.625 inches.
- Notes
-
- No notes found; likely associated with LC notebooks
- State
- WI
- PLSS
-
- T34NR18W 4th Meridian
- Format
- Still image
- Language
- English
- Location of Original
- Wisconsin Geological and Natural History Survey : photograph 4489 album p548