Keywords: Photograph with caption "Turning truck on turntable," Lock and Dam 6. - NARA - 282416.jpg Scope and content General notes 282416 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 1934-02-05 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 625 9a/9-4 Final Cofferdam Report Lock 6 ca 1931 - ca 1943 File unit ARC 282414 Variant control numbers NAIL Control Number NRDC-77-SLD3-625 9 A9 4 -C90L6 Other versions <gallery> File Photograph_with_caption_ Turning_truck_on_turntable _Lock_and_Dam_6 _-_NARA_-_282416 tif tif File Photograph_with_caption_ Turning_truck_on_turntable _Lock_and_Dam_6 _-_NARA_-_282416 jpg jpg </gallery> NARA-cooperation PD-USGov Dump rigid trucks Vehicle turntables |