Soo D'oude Songen Soo Pepen De Jongen (As the old sing, so the young t...
after a painting by Jacob Jordaens, history and portrait painter, draughtsman, watercolorist, and engraver, 1593-1678 (artist notes) Dutch (artist nationality) engraver and publisher (artist role) Jordaens, Jac... More
![Str. J.T. Hutchinson [Pioneer Steamship Co.] passing Soo Locks, Dec. 11, 1903](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDMvMDEvMDEvc3RyLWp0LWh1dGNoaW5zb24tcGlvbmVlci1zdGVhbXNoaXAtY28tcGFzc2luZy1zb28tbG9ja3MtZGVjLTExLTE5MDMtMTAyNC5qcGc%3D/40/49/webp "Str. J.T. Hutchinson [Pioneer Steamship Co.] passing Soo Locks, Dec. 11, 1903")
Str. J.T. Hutchinson [Pioneer Steamship Co.] passing Soo Locks, Dec. 1...
Public domain photograph of ferry, steam boat, free to use, no copyright restrictions image - Picryl description
Soo canal, 1875 - Public domain image. Dry plate negative.
Picryl description: Public domain image of a canal, barge, historic place, water reflection, 19th century, free to use, no copyright restrictions.
Soo Locks (Sault Sainte Marie), Michigan.
Copyright by 1915 by A.E. Young, Soo, Michigan; no copyright renewal. This record contains unverified, old data from caption card. Caption card tracings: Locks; Michigan Soo Locks; Shelf.
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northeast Op...
Significance: The Sabin Lock's Northeast Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter is also significant as a unique... More
"Hominy" Thompson in the door of the root cellar he built. In the earl...
Public domain photograph of American farm workers, countryside in the 1930s, free to use, no copyright restrictions image - Picryl description
San Bernardino, California. Symbol on a refrigerator car of the Minnes...
Public domain photograph - California, United States, World War Two, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 2 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, St. Ma...
Significance: Accommodating the passage of iron ore-laden ships between Lakes Superior and Huron, the Soo Locks Complex was a vital component in the transportation system that provided many American steel mills... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 5 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 4 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 3 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Northeast In...
Significance: The Davis Lock's Northeast Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock Complex in general. The shelter also serves as a unique comp... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southeast Op...
Significance: The Davis Lock's Southeast Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock Complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northeast In...
Significance: The Sabin Lock's Northeast Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter is also significant as a uni... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southeast In...
Picryl description: Public domain image of a gas station, convenience store, 20th-century small town, free to use, no copyright restrictions.
Indians fishing at the "Soo". Photochrom print, 1880-1890.
Historic Sites Public domain photograph of people with a small paddle boat, or canoe, free to use, no copyright restrictions image - Picryl description
Indians fishing at the "Soo". Photochrom print, 1880-1890.
Historic Sites Public domain photograph of people with a small paddle boat, or canoe, free to use, no copyright restrictions image - Picryl description
Indians fishing at the "Soo". Photochrom print, 1880-1890.
Historic Sites Public domain photograph of people with a small paddle boat, or canoe, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, St. Mary's R...
Significance: Erected between 1913 and 1919, the Sabin Lock subcomplex is significant as a component of the overall Soo complex. As such, it played an integral role in accommodating navigation on the St. Marys... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, St. Mary's R...
Significance: Erected between 1913 and 1919, the Sabin Lock subcomplex is significant as a component of the overall Soo complex. As such, it played an integral role in accommodating navigation on the St. Marys... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 1 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 1 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 1 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
St. Mary's Falls Canal, Soo Locks, Military Defense Subcomplex, Buildi...
Significance: Building No. 1 of the Military Defense subcomplex is significant as an element that contributes to the overall integrity of the Soo Lock complex. The facility also demonstrates the strategic impo... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
Medford Soo Line Depot, 109 West State Street, Medford, Taylor County,...
Significance: This depot is the only remaining railroad station in Taylor County, and the third station to stand on the same site in the City of Medford. It was built by the Minneapolis, St. Paul & Sault Ste. ... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northwest Op...
Significance: The Sabin Lock's Northwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northwest Op...
Significance: The Sabin Lock's Northwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northwest Op...
Significance: The Sabin Lock's Northwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Northwest Op...
Significance: The Sabin Lock's Northwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
Wood Island Light Station, East end of Wood Island, at mouth of Soo Ri...
Survey number: HABS ME-222
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Northeast Op...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Northeast Op...
Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Northeast Op...
Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, St. Mary's River at Falls, Sault St...
Significance: The locks of the St. Mary's Falls Canal reflect a national level of significance in settlement, transportation, industrial, and engineering history. The completion of the State Locks in 1855 effe... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southwest In...
Significance: The Sabin Lock's Southwest Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter is also significant as a uni... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southwest In...
Significance: The Sabin Lock's Southwest Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter is also significant as a uni... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southwest In...
Significance: The Sabin Lock's Southwest Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter is also significant as a uni... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Emergency Dam Steam Plant, St. Mary...
Significance: Erected in the period between 1920 and 1923, the Emergency Dam Steam Plant is generally significant as a component of the overall Soo complex. More particularly, the dam facility is important for... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southwest Op...
Significance: The Davis Lock's Southwest Operating Shelter is significant as an element that contributes to the overall integrity of the Soo Lock complex in general. The shelter also serves as a unique compone... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, St. Mary's R...
Picryl description: Public domain photograph of a dock, harbor, boats, water, free to use, no copyright restrictions.
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, St. Mary's R...
Public domain photograph of construction site, excavation works, free to use, no copyright restrictions image - Picryl description
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southeast Op...
Picryl description: Public domain image of a gas station, convenience store, 20th-century small town, free to use, no copyright restrictions.
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southeast Op...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Southeast Op...
Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description
The "Soo" Canal - Public domain scan / engraving
Panoramic view of power house and locks at Sault Sainte Marie, Michigan. Left side shows the old locks; right side shows the new locks. Photo-engraving in "Souvenir Album of Sault Ste. Marie, Mich." This record... More
The "Soo" Canal - Public domain city architecture engraving
Panoramic view of power house and locks at Sault Sainte Marie, Michigan. Left side shows the old locks; right side shows the new locks. Photo-engraving in "Souvenir Album of Sault Ste. Marie, Mich." This record... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southeast In...
Significance: The Davis Lock's Southeast Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock Complex in general. The shelter also serves as a unique comp... More
St. Mary's Falls Canal, Soo Locks, Davis Lock Subcomplex, Southeast In...
Significance: The Davis Lock's Southeast Intermediate Shelter is significant as an element that contributes to the overall integrity of the Soo Lock Complex in general. The shelter also serves as a unique comp... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More
St. Mary's Falls Canal, Soo Locks, Sabin Lock Subcomplex, Sabin Lock, ...
Significance: The Sabin Lock is significant as an element that contributes to the overall integrity of the Soo Lock complex in general, and the Sabin Lock subcomplex in particular. It is a unique facility that... More