The Unholy Three of the 618th Engineers in WWII: Philippines

Improvised ("home made") gravel washer--more innovative engineering. Original album page is annotated "Iowa Crushing & Screening Plant, Bwang [Bauang] River," which processed the gravel collected by the dragline. "Iowa" doubtless refers to the item described as "Cedar Rapids Crushing and Screening Plant" in a Table of Equipment listed in the unit history during its time in New Guinea.