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Great Lakes Shipwreck Preservation Society
Dedicated to Saving our Shipwrecks "From Prevention to Preservation"
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Website Updated

GLSPS Annual Fundraiser!!

UMSAT Show Website

The 2020 UMSAT Show has been CANCELED because of the Corona-virus Outbreak

The New Date and Venue for 2021 UMSAT Show!!

April 9 - 10, 2021

Friday Night at the Movies
7:00 to 10:00 PM

Saturday, 9:00 AM to 6:00 PM
Main Show

(Meet and Greet Party with Food and Beverages)
At The Holiday Inn Hospitality Room
(Next Door to Jimmy's)
7:00 PM to 12:00 AM

Stay tuned for the Lineup of Speakers for 2021

For more information on the canceled 2020 UMSAT show, and the upcoming 2021 UMSAT Show, please visit

If you are interested in joining the UMSAT Show Planning Committee, please email us at

Or, contact Mary Lillimo at "Show Chairperson", or Phil Kerber, "President", at

Here are the Links to Important Exhibitors Documents
  UMSAT Booth Table Layout at Jimmy's Event Center

We are always looking for speakers that would like to present a great topic about their scuba diving or adventure travel experiences.

Please let us know if you, or anyone you know, would like to be a star and speak at a future UMSAT Show!

Lake Superior Magazine Logo 2x1
Check out the most beautiful magazine ever produced in Northern Minnesota!

GLSPS Project Sponsors

Air Down There Scuba offers free air fills and special pricing on rental equipment while participating in GLSPS projects. Required to show GLSPS Membership Card! 
Thank you, Scott and Tracy!

Aquaventure Dive and Photo Center offers free air fills and special pricing on rental equipment while participating in GLSPS projects. You will be required to show your GLSPS Membership Card.  They have also loaned us a GoPro HD video camera for a few projects. Thank you, Steve and Jolene!

Videos produced by Steve at Aquaventure Dive and Photo Center filmed in Lake Michigan on a Milwaukee charter trip. Click on their above logo for information to join them on a charter to visit these shipwrecks.
Prins Willem
The Dredge 906

Home3D Photogrammetry Program

3D Photogrammetry - Shipwreck Modeling

You can view 3D Models by clicking on the website link or, clicking on the Links Below.  Here is the link to the Website:  3D Shipwrecks Website   

What is 3D Photogrammetry?

What is the GLSPS Implementing in 3D Photogrammetry?

Photogrammetry Database Process Outline.

GLSPS Photogrammetry Charter.

Image Collection Process.

Calibrated Scale Bar Use and Processing.

Example of Companion Software Applied to a Shipwreck.

Agisoft Free Trial Software "Download"


1. Link to "Hesper" Photo Mosaic
Link to still photos of 2019
"Madeira" Monitoring Project.

3D Models:

3. Rotatable 3D Model of the Madeira by Tim Pranke

4. Madeira Pilot House by Lerke Wong

5. Glenlyen - Isle Royale - by National Park Service and

6. Henry Chisholm Engine Isle Royale - by National Park Service and

The Below Shipwrecks Models Coming Soon!

Link to "Pretoria"
8. Link to "Sophie's" Shipwreck Video
9. Link to "Sophie's" Shipwreck Drawings
10. Link to "Hercules" 3D Model
11. Link to "Chisholm Cumberland" 3D Photo Mosaic
12.Link to "Jone's" 3D Shipwreck Model