<a href="https://en.wikipedia.org/wiki/Dredging" class="extiw" title="w:Dredging">Dredging</a> below <a rel="nofollow" class="external text" href="https://www.lrl.usace.army.mil/Missions/Civil-Works/Navigation/Locks-and-Dams/McAlpine-Locks-and-Dam/">McAlpine Locks</a>.
<p>"Buddy" after dropping dredge anchor in new location (just upstream from K&amp;I Bridge pier).
In foreground is one of two "knees" by which a <a href="https://en.wikipedia.org/wiki/towboat" class="extiw" title="w:towboat">towboat</a> exerts its motive <a href="https://en.wikipedia.org/wiki/force" class="extiw" title="w:force">force</a> on the barge or barges (the "tow") it is towing (actually pushing, but historically called towing). The crewman at right is leaning on one of two winches (some boats have more) used to tightly secure the tow to the knees.
</p><p>Twin screw towboat "Buddy" (doc. # 630004, length 50 feet, breadth 20 feet, Caterpillar 3408 diesels, 730 hp)
This boat has a pair of <a href="https://en.wikipedia.org/wiki/Shear_legs" class="extiw" title="w:Shear legs">sheerlegs</a> and a winch at the bow, allowing it to hoist and move the anchors which enable the dredge to swing from side to side
Built in 1980 by <a rel="nofollow" class="external text" href="http://shipbuildinghistory.com/shipyards/small/serodino.htm">Serodino</a>, <a href="https://en.wikipedia.org/wiki/Guild,_Tennessee" class="extiw" title="w:Guild, Tennessee">Guild, Tennessee</a>
Owned by <a rel="nofollow" class="external text" href="http://www.luhr.com/">Luhr Bros.</a>, Columbia, Illinois
Still operating in 2018
.
<a href="https://en.wikipedia.org/wiki/Ohio_River" class="extiw" title="w:Ohio River">Ohio River</a> mile 607.
<a href="https://en.wikipedia.org/wiki/Louisville,_Kentucky" class="extiw" title="w:Louisville, Kentucky">Louisville, Kentucky</a>.
July 24, 2002.
file # a2g084.
.
IMG_0307.
</p>
Canon PowerShot A40 digital camera.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/70020260@N04">William Alden</a> from Louisville, Kentucky, USA
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/bill_alden/42207063205/">a2g084: Buddy after repositioning dredge anchor</a>