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Great Lakes Shipwreck Preservation Society
Dedicated to Preserving our Shipwrecks and Maritime History
"From Prevention to Preservation"
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Website Updated
October 10, 2021

GLSPS Annual Fundraiser!!

UMSAT Show Website

The Date for the 2022 UMSAT Show!!

April 1, 2, 2022

For more information about the Speaker Lineup and General UMSAT Show, please visit

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

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

We are always looking for speakers that would like to present a great topic about their scuba diving, adventure travel experiences, shipwreck diving and maritime history research and stories.

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 & UMSAT Show 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


Scuba Center offers free air fills and special pricing on rental equipment while participating in GLSPS projects. Required to show GLSPS Membership Card! 
Thank you, Tom Benson and John Avery!

GLSPS Project and Program Note:

On every Diving Project the GLSPS Requires that you complete 
the Liability Release and Waiver Form 36 to 24 hours
Before you board the RV Preservation Research Vessel.
Here is the link to the form you will need to fill out, sign and submit.

GLSPS Liability Release and Waiver Form 

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Underwater Pumpkin Carving

Sunday, October 03, 2021, 12:30 PM until 3:30 PM
Golden Acres on Square Lake
15150 Square Lake Trail North
Stillwater, MN  55082

Additional Info:
Dean Soderbeck
651-483-8596 (p)
651-216-8596 (c)
Registration is required
Payment In Full In Advance Only
Please register online or through Dean Soderbeck. Bring your own Dive Equipment and air tank (s) and exposure suits. Please contact your local dive shop to rent any equipment you might need. Or contact Dean Soderbeck to see if he might have a piece of dive equipment you need.
No Fee
No Fee

BSA Venture Crew 820 and GLSPS for the 8th Annual 
Underwater Pumpkin Carving Event

Sunday, October 3, 2021



Please join the BSA Scuba Venture Crew 820 and the GLSPS Members for the Underwater Pumpkin Carving Event at Golden Acres Campground on Square Lake.

This event embodies all the elements of a perennial Scout fall classic: adventure, convenience, timeliness, creative expression, and FUN for everyone!

Please click on this link to learn more about the event and to "Register".

This is a BSA Scuba Venture Crew 820 & GLSPS joint activity.

Bring your own pumpkin and or a few extra to share.

Sign-up cutoff date is Thursday October 1st.   

GLSPS members can just watch or bring your own pumpkins and try your carving skills underwater.

This is an afternoon event starting at 12:30 pm at Golden Acres located on Square Lake.
The address is,15150 Square Lake Trail North, Stillwater, MN 55082 (Southeast side of Square Lake)
(Golden Acres vehicle and per-person fees are not included.)

No tricks!  Diving’s a treat!  As a warm-up for Halloween and fall, divers from BSA Scuba Venture Crew 820 will team up with divers from the Great Lakes Shipwreck Preservation Society (GLSPS) on this event carving pumpkins on an underwater training platform 24 feet down.      

Please Note:  We could use additional volunteers to serve as shore support.
“Please Bring your own pumpkins” (Some divers bring more than one to share).                                                   
The pumpkins will gutted out on shore prior to the dive, and then add some Scuba diver-rendered under water “vegetable surgery”.

Special Announcement:

Before you arrive at the event there is paperwork that needs to be downloaded and printed 24 hours before the event.  You must read all pages and understand.  Starting in 2021, you will also need to fill out the Covid-19 questionnaire.  When you read and understand, please sign (if you are a Guardian, you must sign for the person that's under 18 YOA), then scan and send back the forms via email to the Project Leader.  These forms are required to be signed and sent in 24 hours before you arrive at the event!  Failure to do so will forfeit your permission to attend or scuba dive at this event.  So please send your forms in ASAP! 

Due to the fact that social distancing is not possible onboard the RV Preservation.  You must be at least two weeks past your final dose of your Covid-19 vaccination. 

Please Note: If you answer any of the Medical Form Questions yes, you will need to have you Doctor sign you off and the second form of the Medical forms.  If you answer all "No's" you will not have to fill out the second form. 

Here are the Forms you will need to download, print, read, understand, sign, scan and send back to the project leader. (Dean Soderbeck).  
 His contact information is listed below. 

GLSPS Master Liability Release, Waivers - Medical Forms

GLSPS (DAN) - Declaration Form For COVID19


Underwater Pumpkin Carving Itinerary:

12:30 pm - Go over logistics and pair up divers (beach area) assemble dive equipment.
                     Gut out pumpkins, leave pumpkin lids on shore.

1:00 pm - Gut out pumpkins, place pumpkins in mesh bags (provided by Venture Crew)

1:30 pm - Divers team up and surface swim to dive platform as a group, descend to platform 24 feet deep with pumpkins & extra lead weights for pumpkins to stay on down.

2:00 pm - Paired divers surface swim back to shore and break down equipment.

3:00 pm - Hot Chocolate served on shore provided by Venture Crew 820. 
            Head home after group pictures.

If you have any additional questions, please contact Dean Soderbeck with the information listed below.

Dean Soderbeck
Adviser, BSA Scuba Venture Crew 820
GLSPS, 2nd Vice President