To those interested, here's a fun task for you: Identify the three towboats between the CRUCIBLE and the ALIQUIPPA to the far right of these two images.
http://wiki.cincinnatilibrary.org/im...ons046a-25.jpg
http://wiki.cincinnatilibrary.org/im...ons051a-25.jpg
EXTRA CREDIT: Find a Way's Directories entry for the boat furthest to the left, the BETTY, unless of course it is a gasboat.