Keywords: Photograph with caption "Dredge Removing Earth Fill in RIver Arm," Lock and Dam 6. - NARA - 282421.tif Scope and content General notes 282421 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 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 -112 yes Other versions <gallery> File Photograph_with_caption_ Dredge_Removing_Earth_Fill_in_RIver_Arm _Lock_and_Dam_6 _-_NARA_-_282421 tif tif File Photograph_with_caption_ Dredge_Removing_Earth_Fill_in_RIver_Arm _Lock_and_Dam_6 _-_NARA_-_282421 jpg jpg </gallery> NARA-cooperation PD-USGov NARA TIF images with categorized JPGs |