Bulletin_799_Plate_8B_Chickies_Banded_Slate.jpg
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Summary
| Description |
English:
Figure caption:
Specimen of
Chickies
Banded Slate. Shows older folded schistosity parallel to bedding cut by younger cleavage inclined to bedding.
|
| Date | |
| Source | U.S. Geological Survey Bulletin 799, Geology of the McCalls Ferry-Quarryville District, Pennsylvania . By Eleanora Bliss Knopf and Anna I. Jonas. 1929. U.S. Government Printing Office, 156 p. ill. web version |
| Author | USGS |
Licensing
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This work is in the
public domain
in the United States because it is a
work prepared by an officer or employee of the United States Government as part of that person’s official duties
under the terms of
Title 17, Chapter 1, Section 105
of the
US Code
.
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United States Postal Service
since 1978
. (See §
313.6(C)(1)
of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see
The US Mint Terms of Use
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