Title
Construction #101
            Subject
Illinois--Chicago
                    Illinois--Chicago Sanitary and Ship Canal
                    Dams
                    Illinois--Lockport
                    Dams--Design and construction
                    Construction workers
            Description
Three workers stand on top of one of several stone and metal pylons under construction at Bear Trap Dam.
            Publisher
Abraham Lincoln Presidential Library and Museum
            Date
1896-09-23
            Format
jpg
            Language
eng
            Identifier
402575
                    Chicago Drainage Collection
                    Chicago Drainage Photo Album
            Original Format
photographic print
                    b&w
                    1
            Physical Dimensions
12 x 19 cm
            

