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Database Information Shipwreck Henry J. Johnson

Basic Information

Name(s)  Henry J. Johnson
Registry  US
Official Number 95950
Vessel Type Bulk Freighter
Year Built 1888
Year Sank
 1902
Hull Material Wood
Engines Double Expansion Steam, Fore and Aft

Dimensions

Length  260 ft
Width  40 ft
Depth  21 ft

Vessel History

Complete Historic Information Linkhttps://greatlakeships.org/2901159/data  ; https://greatlakes.bgsu.edu/item/436057

Wreck Site Information

Lake Huron
State or Province Michigan
Depth
160 ft
GPS Coordinates 45° 38.043′  N 084° 06.260′ W
Site Description The Henry Johnson lies with its cargo area intact with the bow and stern broken with the stern being split open. The cabins are gone but the fore and aft double expansion engine, boilers, propeller, split stack, and rudder are extant on or near the stern. The rudder lies off the starboard stern sitting with the blade upright and the shaft balanced on the quadrant. The steel boiler cabin is collapsed. At the bow the windlass, capstan, and an iron stock kedge anchor lie in the collapsed deck wreckage. A deck winch sits on the cargo deck.

Model Information

Photographer

Photographer(s) Andrew Goodman
Year Captured August 2024
Time it took to capture 60 min

Modeler Information

Modeler Ken Merryman
Date Completed 9-2024
Hours of input to complete 4 hrs

Technical Information

Photography

Camera – Canon 5d Mark IV in a Nauticam Housing with an 8” Dome Port
Lens – Canon EF Zoom 8-15mm set at 15 mm
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Stills
Number of images Submitted – 3,330
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
Light Output Lumens 4×10,000

Model Information

Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 3,329
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Complete

Publishing Restrictions

Licensing Usage Restrictions CC BY-ND
Attributed to: 3DShipwrecks.org

Resource Data in Database

Model  Yes
Source Images  Yes
Source CC .jpg
Number of Still Images 3,330
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes