Canal Park in Duluth in Saint Louis County, Minnesota — The American Midwest (Upper Plains)

Float Copper

Photographed By William Fischer, Jr., October 9, 2014

1. Float Copper Marker

Inscription.

This piece of float copper was dredged from the Keweenaw Waterway, Michigan, by the hydraulic dredge "New Jersey"; on May 27, 1932, while working under contract with the United States Engineers Office, Duluth. It was presented to the office by the contractor, the Zenith Dredge Company.

Float copper is native metallic copper, almost chemically pure, which has been dislodged and transported by glacial action. This piece weighs 490 pounds and fragments of this size are rare.

Topics. This historical marker is listed in these topic lists: Environment • Waterways & Vessels. A significant historical date for this entry is May 27, 1932.

Location. 46° 46.817′ N, 92° 5.528′ W. Marker is in Duluth, Minnesota, in Saint Louis County. It is in Canal Park. Marker is in Canal Park, at the south end of Canal Park Drive. Touch for map. Marker is in this post office area: Duluth MN 55802, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within walking distance of this marker. Modern Ship Propeller (a few steps from this marker); Northwoods Sailors (within shouting distance of this marker); United States Merchant Marine / U.S. Navy Armed Guard (within shouting distance of this marker); Dedicated to Davis Helberg (within shouting distance of this marker); Modern Ship Anchor (within shouting distance

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of this marker); Capstan (within shouting distance of this marker); Edgar A. Culbertson (within shouting distance of this marker); Trotman Folding Stock Anchor (within shouting distance of this marker). Touch for a list and map of all markers in Duluth.

Also see . . . Some Unusual Specimens of 'Float Copper' (1924 article). (Submitted on November 18, 2014, by William Fischer, Jr. of Scranton, Pennsylvania.)

Engraving on Float Copper image. Click for full size.

Photographed By William Fischer, Jr., October 9, 2014

2. Engraving on Float Copper

Float Copper and Marker image. Click for full size.

Photographed By William Fischer, Jr., October 9, 2014

3. Float Copper and Marker

Duluth Harbor North Breakwater Light in background

Credits. This page was last revised on February 12, 2023. It was originally submitted on November 18, 2014, by William Fischer, Jr. of Scranton, Pennsylvania. This page has been viewed 715 times since then and 32 times this year. Photos: 1, 2, 3. submitted on November 18, 2014, by William Fischer, Jr. of Scranton, Pennsylvania.