<p>Portland Canal near 18th St.:
Workers pouring concrete foundations for overlook atop old 18th St. Bridge pier.
Concrete is mixed on the ground and hauled up in buckets.
The pier was built in 1856 as the pivot pier for a swing span over the canal,
which at that time was only 64 feet wide.
See Leland R. Johnson and Charles E. Parrish, <u>Triumph at the Falls: The Louisville and Portland Canal</u> (Louisville: U. S. Army Corps of Engineers, 2007) pp. 98-101.
</p><p>Ohio River mile 605.
Louisville, Kentucky.
20-Nov-1998.
File # 98k067.
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Kodak PRN-2 (Pro 100), 6x9 cm.
</p>
Epson V500 scanner; Vuescan software.
<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/6556693399/">98k067_8mp: construction of 18th St. overlook</a>