There it is. There it absolutely and positively is.
The Benjamin Mackall Laughlin Book
The BM Laughlin Book listing every steamboat built at Pittsburgh between 1811-1904 has been loaded for your review. The Book has been loaded on six pages for ease of viewing.
The Book Scanned p1-43
The Book Scanned p45-85
The Book Scanned p87-125
The Book Scanned p127-163
The Book Scanned p165-205
The Book Scanned p207-294
Credits for the photography go to George Hellmann, a good friend.