Silver Lake 3D Interactive Model – Year 2009

Silver Lake Database Information

Basic Information

Name(s)  Silver Lake
Registry  U.S.
Official Number 116263
Vessel Type Scow Schooner
Builder M.L. Johnson
Place Built Little Point Sauble, MI
Year Built 1889
Hull Material Wood
Engine(s) None

Dimensions

Length 95 ft
Width  20 ft
Depth  8 ft

Vessel History

Rebuilds/Renames  None
History  The Silver Lake was built in 1889 and sold several times until finally owned by Nels Johnson of Racine.  On its final voyage it was traveling from Eagle Harbor, Green Bay to Racine, WI with a load of maple wood.  It was cut in half in a collision by the railroad car ferry Pere Marquette at 3:00 AM in fog.
Disposition Sunk in a collision with car ferry Pere Marquette in 1900 with one life lost.
Source Wisconsin Shipwrecks website
Complete Historic Information Linkhttps://www.wisconsinshipwrecks.org/Vessel/Details/570?region=Index

Wreck Site Information

Depth 210’
GPS Coordinates 43° 48.37′  N 087° 34.66′ W
Site Description: The Silver Lake sits upright and intact with one intact mast and yard and bow sprit in 210’ of water.  The damage from the collision is visible on the port side.  It is probably the most intact scow schooner on the Great Lakes.  Scow schooners were typically lightly built so intact examples are rare.  What makes it even more rare is it may be the only scow schooner on the Great Lakes with double centerboards.

Model Information

Photographer

Photographer Kenneth Merryman
Date Completed September 2009
Time it took to capture 30 min

Modeler Information

Modeler Ken Merryman
Date Completed May 2012
Hours of input to complete 6 hrs

Technical Information

Photography

Camera – Sony HVR-Z1U in Amphibico Housing with .5 diopter dome port
Lens – Zoom 4.5-54 mm set at 4.5 mm; 35 mm equivalent to 32.5 – 390 mm at 32.5 mm
                              with dome port equivalent 28mm
Sensor – 6mm 1/3 type 3 CCD
Multi-Camera Rig – No
Camera Propulsion – Diver,
 Video or Stills – Video
Number of images Submitted – 3856
Image resolution (pixels) 1080 x 1440 with 1.3333 pixel aspect ratio
Lighting – Natural & Artificial
Number of lights – 2
If known Kelvin Temperature N/A
Light Output Lumens 2000

Model Information

Software Used – Agisoft Standard Edition Version 1.6.2 Build 10247
Data Format – .jpg
Number of Source Images used – 3856
Are these images original or adjusted; Converted to 1080 x 1920
Portion of the site covered: The video model shot in 2009 covers most of the site.  It was not shot with the intention of doing a 3D model or photomosaic but was shot to document the wreck site.  The masts were not covered well but all of the hull is well represented.

Publishing Restrictions

Ownership/Payment Restrictions None
Usage Restrictions None

Resource Data in Database

Model  Yes
Source Images  Video
Still Images 3856
Video Clip Yes