File:Plains Side-Notched Projectile Point (FOUS 99187) (a7bff758-1dd8-b71b-0b99-119e93e827d8).jpg
Original file (1,200 × 691 pixels, file size: 208 KB, MIME type: image/jpeg)
Captions
Summary
[edit]English: Plains Side-Notched Projectile Point (FOUS 99187) | |||||
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Photographer |
English: NPS photo |
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Title |
English: Plains Side-Notched Projectile Point (FOUS 99187) |
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Publisher |
English: U.S. National Park Service |
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Description |
English: Knife River flint Plains side-notched projectile point. This point was made by a process known as flint-knapping. Flint-knapping is the method of shaping stones by striking, or knapping, naturally brittle rock with a piece of antler, bone or rock. This Knife River flint side-notched Plains projectile point could have been made between 1,500 BP and 200 BP.
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Depicted place |
English: Fort Union Trading Post National Historic Site |
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Date | Taken on 24 February 2017 | ||||
Accession number | |||||
Source |
English: NPGallery |
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Permission (Reusing this file) |
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NPS Unit Code InfoField | FOUS |
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current | 06:28, 14 May 2024 | 1,200 × 691 (208 KB) | BMacZeroBot (talk | contribs) | Batch upload (Commons:Batch uploading/NPGallery) |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | This point was made by a process known as flint-knapping. Flint-knapping is the method of shaping stones by striking, or knapping, naturally brittle rock with a piece of antler, bone or rock. This Knife River flint side-notched Plains projectile point could have been made between 1,500 BP and 200 BP. |
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Camera manufacturer | Canon |
Camera model | Canon EOS DIGITAL REBEL XTi |
Exposure time | 1/125 sec (0.008) |
F-number | f/5 |
ISO speed rating | 400 |
Date and time of data generation | 15:49, 24 February 2017 |
Lens focal length | 50 mm |
Orientation | Normal |
File change date and time | 15:49, 24 February 2017 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 15:49, 24 February 2017 |
Meaning of each component |
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APEX shutter speed | 6.9657897949219 |
APEX aperture | 4.6438598632812 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 4,433.2953249715 |
Focal plane Y resolution | 4,453.6082474227 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |