Workers, probably of the Army Corps of Engineers, building a wooden mat. Barge in foreground has rock, barge behind wooden mat has logs. Steamboat in the background. Photograph of John C. DeBolt, Corps of Engineers. Photo 4 of series.
River Regulation Work, St. Louis Water Department. Missouri River at Howard's Bend. Way Barge for Weaving Mattress. Kansas City Bridge Co., Contractor.
River Regulation Work, St. Louis Water Department. Missouri River at Howard's Bend. Pile Dike - floating pile driver driving pile with steam hammer and water jet. Kansas City Bridge Co.
Construction of the Cape Girardeau Bridge. 1927. Pouring concrete for seal of caisson Pier No. 2. Derrick boat handling door on material lock; compressor barge maintaining air pressure in caisson.
Workers building a wooden mattress, probably of willow. Workers probably Army Corps of Engineers. Willow mattresses were built to stabilize riverbanks up until the 1930s. Photograph of John C. DeBolt, Corps of Engineers. Photo 1 of series.