Keywords: Photograph of two men atop lock and dam machinery-structure. - NARA - 282403.tif Scope and content General notes 282403 Local identifier War Department Office of the Chief of Engineers St Paul District 1866 - 09/18/1947 NARA's Great Lakes Region Chicago NRDA 7358 South Pulaski Road Chicago IL 60629-5898 1948-01-30 Record group Record Group 77 Records of the Office of the Chief of Engineers 1789 - 1999 Record group ARC 406 Operations and Maintenance Files Relating to Lock and Dam Numbers 3-10 of the Mississippi River Nine Foot Channel Project compiled 1931 - 1943 Series ARC 282367 File unit 313 5 Gates and Operating Machinery L D 3 ca 1931 - ca 1943 File unit ARC 282402 Variant control numbers NAIL Control Number NRDC-77-SLD3-313 5 GATES-1 yes Other versions <gallery> File Photograph_of_two_men_atop_lock_and_dam_machinery-structure _-_NARA_-_282403 tif tif File Photograph_of_two_men_atop_lock_and_dam_machinery-structure _-_NARA_-_282403 jpg jpg </gallery> NARA-cooperation PD-USGov NARA TIF images with categorized JPGs |