Portland Canal just above <a rel="nofollow" class="external text" href="http://www.lrl.usace.army.mil/Missions/Civil-Works/Navigation/Locks-and-Dams/McAlpine-Locks-and-Dam/">McAlpine Locks</a>.
<p>"Robert Greene" starting to shove into 1200-foot lock.
The <a href="https://en.wikipedia.org/wiki/bascule_bridge" class="extiw" title="w:bascule bridge">bascule bridge</a> (specifically a rolling lift bridge) over the upper end of the lock has been raised to allow the boat to enter.
</p><p>This is a good example of the "Alco salute".
<a href="https://en.wikipedia.org/wiki/American_Locomotive_Company" class="extiw" title="w:American Locomotive Company">Alco</a> diesels often emit a cloud of black smoke when the throttle is opened from idle, apparently due to turbo lag.
</p><p>"Cliff Webster" faced up to barge full of rubble from lock demolition..
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Twin screw towboat "Cliff Webster" (doc. # 606551, length 60 feet, breadth 22 feet, <a href="https://en.wikipedia.org/wiki/Detroit_Diesel_Series_71" class="extiw" title="w:Detroit Diesel Series 71">GM 12V-71</a> diesels [?], 800 hp.).
Built in 1979 by <a rel="nofollow" class="external text" href="http://shipbuildinghistory.com/shipyards/small/ortis.htm">Louis G. Ortis Boat Co.</a>, <a href="https://en.wikipedia.org/wiki/Krotz_Springs,_Louisiana" class="extiw" title="w:Krotz Springs, Louisiana">Krotz Springs, Louisiana</a>.
Originally named "Mike Duffy", owned by M &amp; S Towing, Inc., <a href="https://en.wikipedia.org/wiki/Cut_Off,_Louisiana" class="extiw" title="w:Cut Off, Louisiana">Cut Off, Louisiana</a>.
In 1986, sold to <a rel="nofollow" class="external text" href="http://www.carlislebray.com/about/history/greater-cincinnati-marine/">Greater Cincinnati Marine Service, Inc.</a>, <a href="https://en.wikipedia.org/wiki/Newport,_Kentucky" class="extiw" title="w:Newport, Kentucky">Newport, Kentucky</a>, and renamed "Cliff Webster".
In 2011, firm merged into <a rel="nofollow" class="external text" href="http://www.carlislebray.com/cb-marine/">C &amp; B Marine LLC</a>, <a href="https://en.wikipedia.org/wiki/Covington,_Kentucky" class="extiw" title="w:Covington, Kentucky">Covington, Kentucky</a>, and boat was renamed <a rel="nofollow" class="external text" href="http://www.towboatgallery.com/Griffin_C-0606551.php?pic=1&amp;tnc=1&amp;mnu=">"Griffin C"</a>.
Still operating in 2018.
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Twin screw towboat "Robert Greene" (doc. # 619977, length 145 feet, breadth 48 feet, <a href="https://en.wikipedia.org/wiki/ALCO_251" class="extiw" title="w:ALCO 251">Alco 16-251F</a> diesels, 6200 hp).
Built 1980 by <a rel="nofollow" class="external text" href="http://www.shipbuildinghistory.com/shipyards/small/jeffboat.htm">Jeffboat, Inc.</a>, <a href="https://en.wikipedia.org/wiki/Jeffersonville,_Indiana" class="extiw" title="w:Jeffersonville, Indiana">Jeffersonville, Indiana</a>.
Owned by <a rel="nofollow" class="external text" href="http://www.bargeacbl.com/">American Commercial Barge Line</a>, Jeffersonville.
The boat is named for <a rel="nofollow" class="external text" href="https://magazines.marinelink.com/Magazines/MaritimeReporter/198009/content/president-jeffboat-incorporated-206360">Robert W. Greene III</a>, president of <a rel="nofollow" class="external text" href="https://www.courier-journal.com/story/money/companies/2018/04/20/jeffboat-closure-shipyard-jeffersonville-indiana-worker-portraits/507801002/">Jeffboat</a> from 1980 to 2001.
Still operating in 2018.
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<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 21, 2002.
file # a2g055.
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IMG_0202.
Canon PowerShot A40 digital camera.
</p>
JPEG quality 95.
<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/42725509252/">a2g055: Cliff Webster and Robert Greene at McAlpine Locks</a>