File:MARTIN KARLSEN plankton.jpg
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== THE "MARTIN KARLSEN," A CANADIAN SHIP, IS A FLOATING LABORATORY FROM WHICH SCIENTISTS ARE ANALYZING PHYSICAL, CHEMICAL BIOLOGICAL AND METEOROLOGICAL CONDITIONS IN LAKE SUPERIOR. SUCH COMPLETE STUDY OF FRESH WATER IS CALLED LIMNOLOGY. LIMNOLOGIST DRAINS CONTENTS OF PLANKTON NET INTO LABORATORY BOTTLE |
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This is a retouched picture, which means that it has been digitally altered from its original version. The original can be viewed here: THE "MARTIN KARLSEN," A CANADIAN SHIP, IS A FLOATING LABORATORY FROM WHICH SCIENTISTS ARE ANALYZING PHYSICAL... - NARA - 549616.jpg:  . Modifications made by Citron.
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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 image is a derivative work of the following images:
- File:THE_"MARTIN_KARLSEN,"_A_CANADIAN_SHIP,_IS_A_FLOATING_LABORATORY_FROM_WHICH_SCIENTISTS_ARE_ANALYZING_PHYSICAL..._-_NARA_-_549616.jpg licensed with PD-USGov
- 2011-10-24T04:42:42Z US National Archives bot 2044x3000 (994991 Bytes) == {{int:filedesc}} == {{NARA-image-full | Title = THE "MARTIN KARLSEN," A CANADIAN SHIP, IS A FLOATING LABORATORY FROM WHICH SCIENTISTS ARE ANALYZING PHYSICAL, CHEMICAL BIOLOGICAL AND METEOROLOGICAL CONDI
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 11:40, 25 December 2011 | | 1,968 × 2,848 (3.6 MB) | Citron (talk | contribs) | == {{int:filedesc}} == {{Information |Description=== THE "MARTIN KARLSEN," A CANADIAN SHIP, IS A FLOATING LABORATORY FROM WHICH SCIENTISTS ARE ANALYZING PHYSICAL, CHEMICAL BIOLOGICAL AND METEOROLOGICAL CONDITIONS IN LAKE SUPERIOR. SUCH COMPLETE STUDY OF F |
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