File:1927 Topographic Maps of the Athol Quads, by the U. S. Geological Survey, from the Digital Commonwealth - commonwealth qv33tb29b.jpg
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[edit]Description1927 Topographic Maps of the Athol Quads, by the U. S. Geological Survey, from the Digital Commonwealth - commonwealth qv33tb29b.jpg |
English: 1927 Topographic Maps of the Athol Quads, by the U. S. Geological Survey, from the Digital Commonwealth - commonwealth qv33tb29b. (https://www.digitalcommonwealth.org/search/commonwealth:qv33tb29b) |
Date | |
Source | Digital Commonwealth |
Author | U. S. Geological Survey |
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[edit]Public domainPublic domainfalsefalse |
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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.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the 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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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:14, 28 November 2021 | ![]() | 3,852 × 3,304 (17.64 MB) | Daderot (talk | contribs) | Uploaded a work by U. S. Geological Survey from Digital Commonwealth with UploadWizard |
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Camera manufacturer | Hasselblad |
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Author | Bahadir Kavlakli |
Exposure time | 1/250 sec (0.004) |
F-number | f/10 |
ISO speed rating | 100 |
Date and time of data generation | 14:24, 26 June 2018 |
Lens focal length | 80 mm |
Pixel composition | RGB |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS6 (Macintosh) |
File change date and time | 08:35, 11 July 2018 |
Exposure Program | Manual |
Exif version | 2.1 |
Date and time of digitizing | 14:24, 26 June 2018 |
APEX shutter speed | 7.9657842861166 |
APEX aperture | 6.6438561833267 |
Maximum land aperture | 3.1699249969261 APEX (f/3) |
Subject distance | 2.034 meters |
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Focal plane X resolution | 1,886.79 |
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Unique ID of original document | xmp.did:13DE5689102068118083E8F1E6EAD724 |
Date metadata was last modified | 04:35, 11 July 2018 |
IIM version | 2 |
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1927
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