<a href="https://en.wikipedia.org/wiki/Louisville_and_Portland_Canal" class="extiw" title="w:Louisville and Portland Canal">Portland Canal</a> at <a href="https://en.wikipedia.org/wiki/Fourteenth_Street_Bridge_(Ohio_River)" class="extiw" title="w:Fourteenth Street Bridge (Ohio River)">L&amp;I (Fourteenth Street) Bridge</a>
<p>Towboat "Martha Mac" upbound, passing under raised <a href="https://en.wikipedia.org/wiki/Vertical-lift_bridge" class="extiw" title="w:Vertical-lift bridge">lift span</a> of bridge
</p><p>Twin screw towboat "Martha Mac" (doc. # 295510, length 165 feet, width 35 feet, <a href="https://en.wikipedia.org/wiki/EMD_567" class="extiw" title="w:EMD 567">GM 16-567C</a> diesels, 3200 hp.)
This boat was built in 1964 by <a rel="nofollow" class="external text" href="http://www.shipbuildinghistory.com/shipyards/small/nashvilleboats.htm">Nashville Bridge Co.</a>, <a href="https://en.wikipedia.org/wiki/Nashville,_Tennessee" class="extiw" title="w:Nashville, Tennessee">Nashville, Tennessee</a>
Originally named "Ann King", the boat was first owned by Mid-America Transportation Co., St. Louis, Missouri
In 1984, the boat was renamed "Junko Hartman."
In 1990, the boat was sold to Mid-South Towing Co., Metropolis, Illinois.
In 1991, the boat was renamed "Martha Mac."
In 2002, Mid-South Towing changed its name to TECO Barge Line.
In 2007, TECO Barge Line was apparently sold to an investment group and renamed U.S. United Barge Line (see a <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jmschneid/6474219401/">photo in UBL colors</a>).
In 2012, U.S. United Barge Line was <a rel="nofollow" class="external text" href="http://gcaptain.com/ingram-barge-aquires-united-barge/">sold to Ingram Barge Co.</a>, Nashville
The boat is still operating in 2017, owned by <a rel="nofollow" class="external text" href="https://www.bizapedia.com/ky/whitetail-vessel-company-llc.html">Whitetail Vessel Company LLC</a>, Paducah, Kentucky
</p><p><a href="https://en.wikipedia.org/wiki/Ohio_River" class="extiw" title="w:Ohio River">Ohio River</a> mile 605
<a href="https://en.wikipedia.org/wiki/Louisville,_Kentucky" class="extiw" title="w:Louisville, Kentucky">Louisville, Kentucky</a>
30-Apr-1999
File # 99d070
.
6x9 cm color negative.
scanned with Epson V500 flatbed scanner and Epson Scan software.
</p>
edited with Picture Window 4
<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/8286508808/">99d070: Martha Mac upbound on Ohio River at L&amp;I Bridge</a>