3D Interactive Model

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Database Information Shipwreck Grace A. Channon

Basic Information

Name(s)  Grace A. Channon
Registry  US
Official Number 85309
Vessel Type Canal Schooner
Year Built 1873
Year Sank
Hull Material Wood
Engines None


Length  141 ft
Width  26 ft
Depth  12 ft

Vessel History

Complete Historic Information Linkhttps://www.wisconsinshipwrecks.org/Vessel/Details/243?region=Index ; https://greatlakeships.org/2907322/data?n=1

Wreck Site Information

Lake Michigan
State or Province Wisconsin
205 ft
GPS Coordinates 42° 55.77′ N  087° 36.12′ W
Site Description The model was created from archival photomosaic video from 2008 which shows a relatively intact hull and aft cabin. The masts and piles of wire rigging are on site but not standing. There is evidence of the damage from the collision on the port bow. The site contains two wood stock anchors, catheads, windlass, rudder steering machinery, capstan, centerboard winch, bilge pump, the posts from the mainmast fife rail,  and aft cabin with partial roof.

Model Information


Photographer(s) Keith Meverden of Wisconsin Historical Society working with Woods Hole Oceanographic Institution
Support Evan Kovacs, Tamara Thomsen
Year Captured July 2008
Time it took to capture 40 min

Modeler Information

Modeler Ken Merryman
Date Completed 3-2023
Hours of input to complete 6 hrs

Technical Information


Camera – 
Lens – 
Sensor – 
Multi-Camera Rig – No
Camera Propulsion – DPV
 Video or Stills – Video
Number of images Submitted – 2,424
Image resolution (pixels) 1080 x 1920
Lighting – Artificial & Natural
Number of lights – 
If known Kelvin Temperature 
Light Output Lumens 

Model Information

Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 2,064
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 
Portion of the site covered: Photomosaic view of deck

Publishing Restrictions

Licensing Usage Restrictions CC BY-ND
Attributed to: Keith Meverden of WHS in cooperation with WHOI

Resource Data in Database

Model  Yes
Source Images  Yes
Source CC .jpg
Number of Still Images 2,424
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes