File:Barge Helvetia sonar image of wreck.PNG
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Original file (707 × 927 pixels, file size: 548 KB, MIME type: image/png)
Summary[edit]
| Description |
A sonar image of the wreck of the barge Helvetia — a former three-masted schooner — in the Wisconsin Shipwreck Coast National Marine Sanctuary in Lake Michigan. |
|---|---|
| Source | |
| Date |
10 June 2022 |
| Author | |
| Permission (Reusing this file) |
See below.
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Licensing[edit]
 | This image is a work of the National Oceanic and Atmospheric Administration, taken or made as part of that person's official duties. As works of the U.S. federal government, all NOAA images are in the public domain in the United States. |  |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:49, 10 September 2023 | | 707 × 927 (548 KB) | Mdnavman (talk | contribs) | {{Information |Description = A sonar image of the wreck of the barge {{ship||Helvetia|1873|2}} — a former three-masted schooner — in the Wisconsin Shipwreck Coast National Marine Sanctuary in Lake Michigan. |Source = [https://sanctuaries.noaa.gov/media/docs/20221201-wscnms-field-report-final.pdf Madeline Roth, John Bright, and Russ Green, "Baseline Monitoring Documentation of Maritime Heritage Resources in the Wisconsin Shipwreck Coast National Marine Sanctua... |
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