| [FORM] PUBLIC VOUCHER FOR REIMBURSEMENT OF TRAVEL AND OTHER EXPENSES INCLUDING[FOR ANT] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHEN TO RALPH A. LINCOLN REGARDING CHECKS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHEN TO RALPH A. LINCOLN REGARDING ORGANIZATION CHART] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. F. HEAVEY TO DIVISION AND DISTRICT ENGINEERS REGARDING PAYMENT FOR PAY AND ALLOWANCES] |
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| [TELEGRAM FROM COVELL TO RALPH A. LINCOLN REGARDING TERMINATING LEAVE] |
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| [NOTE REGARDING FILE 201 FOR CAPTAIN RALPH A. LINCOLN] |
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| [REPORT] REPORT ON TESTS MADE OF PIONEER MATERIALS COMPANY'S AGGREGATE FROM TIONESTA DAM SITE |
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| [REPORT] PERSONAL REPORT FOR APRIL 1937 |
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| [REPORT] PERSONAL REPORT FOR APRIL 1937 [WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE DISTRICT ENGINEER REGARDING A LEAVE OF ABSENCE] |
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| [REPORT] PERSONAL REPORT FOR JULY 1937 |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [MEMORANDUM FROM W. J. SHUTES TO ALL COMMISSIONED OFFICERS REGARDING MILEAGE VOUCHERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
|
| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [REPORT] REGULATIONS GOVERNING PROCEDURE AT LOCK & DAM NO. 9, ALL'Y [ALLEGHENY] RIVER |
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| [REPORT] INSTRUCTIONS TO INSPECTORS IN FOUNDATION SECTION AT LOCK & DAM NO. 9 [ALLEGHENY RIVER] |
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| [CORRESPONDENCE FROM J. F. PLOOGOR TO VARIOUS PEOPLE REGARDING ENCLOSED FILES] |
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| [REPORT] FOR ALTERATIONS TO ABUMONT WALL OF LOCK NO. 8, ALLEGHENY RIVER |
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| [REPORT] SPECIFICATIONS FOR HIRED LABOR WORK, INSTALLATION OF MACHINERY EXCEPT GATES AND ANCHORAGES, NEW DAMN NO. 9, ALLEGHENY RIVER |
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| [NOTE] APPENDIX II |
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| [NOTE] APPENDIX III |
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| [NOTE] APPENDIX I |
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| [CORRESPONDENCE FROM S. D. STURGIS JR. TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM MAXWELL D. TAYLOR TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [NOTE] APPENDIX IV |
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| [NOTE] APPENDIX IV |
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| [NOTE] APPENDIX I |
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| [BIOGRAPHICAL SKETCH OF RALPH A. LINCOLN] |
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| [NOTE] APPENDIX II |
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| [NOTE] APPENDIX III |
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| [NOTE] BIOGRAPHICAL SKETCH |
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| [NOTE REGARDING BIOGRAPHICAL INFORMANT ON RALPH A. LINCOLN] |
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| [NOTE REGARDING BIOGRAPHICAL INFORMANT ON RALPH A. LINCOLN] |
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| [REPORT] BRIEF OF RECORD |
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| [FORM] OFFICER'S, WARRANT OFFICER'S, AND FLIGHT OFFICER'S QUALIFICATION RECORD WORKSHEET [FOR RALPH A. LINCOLN] |
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| [REPORT] BIOGRAPHICAL SKETCH [WITH ATTACHMENT] |
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| [REPORT] BIOGRAPHICAL SKETCH- RALPH A. LINCOLN |
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| [NOTECARDS REGARDING AIR FORCE OFFICER EFFECTIVENESS REPORTS RENDERED] |
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| [REPORT] BIOGRAPHICAL SKETCH |
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| [ROUTING SLIP NOTE REGARDING APPRECIATION FOR THE CHIEF OF ENGINEERS] |
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| [CORRESPONDENCE FROM S. D. STURGIS JR. TO RALPH A. LINCOLN REGARDING THE DEDICATION OF CONEMAUGH DAM] |
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| [CORRESPONDENCE FROM S. D. STURGIS JR. TO RALPH A. LINCOLN REGARDING A PERFORMANCE] |
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| SPECIAL ORDERS NO. 132 |
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| SPECIAL ORDERS NO. 132 |
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| SPECIAL ORDERS NO. 132 |
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| [CORRESPONDENCE FROM THE ADJUTANT GENERAL TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM THE ADJUTANT GENERAL TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO LOUIS J. RUMAGGI REGARDING CATCHING UP WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM WM. E. BERGIN TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM WM. E. BERGIN TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO MAJOR GENERAL WM. E. BERGIN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM WM. E. BERGIN TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [CORRESPONDENCE FROM WM. E. BERGIN TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| SPECIAL ORDERS NUMBER 214 |
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| [FORM] CONSTRUCTIVE CREDIT EQUIVALENTS [FOR RALPH A. LINCOLN] |
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| SPECIAL ORDERS NO. 151 |
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| [CORRESPONDENCE FROM LOUIS J. SCHLOEGL REGARDING LETTER ORDER NO. 11-548 (TRAVEL ORDERS) |
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| SPECIAL ORDERS NO. 151 |
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| SPECIAL ORDERS NO. 144 |
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| SPECIAL ORDERS NO. 144 |
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| [CORRESPONDENCE FROM B. A. NELSON REGARDING TRAVEL OVERSEAS] |
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| [FORM] AR 605-90 [FOR RALPH A. LINCOLN] |
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| [FORM] EMPLOYEE'S POSITION DESCRIPTION WORK SHEET [FOR RALPH A. LINCOLN] |
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| [ILLUSTRATION OF A MAN IN A TRENCH COAT WITH MEDALS STANDING IN FRONT OF A PLANE] |
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| [REPORT] REMARKS OF THE DEPUTY CHIEF OF STAFF |
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| [NOTE REGARDING BIOGRAPHICAL INFORMATION] |
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| [CORRESPONDENCE FROM EDWARD F. WITSELL TO RALPH A. LINCOLN REGARDING A STATEMENT OF SERVICE] |
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| [REPORT] REMARKS OF THE DEPUTY CHIEF OF STAFF |
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| [REPORT] REMARKS OF THE DEPUTY CHIEF OF STAFF |
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| [FORM] OFFICER'S, WARRANT OFFICER'S, AND FLIGHT OFFICER'S QUALIFICATION RECORD [FOR RALPH A. LINCOLN] |
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| SPECIAL ORDERS NO. 132 |
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| DISTRICT CIRCULAR NO 1, ASSUMPTION OF DUTIES AS DISTRICT ENGINEER |
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| [CERTIFICATE OF SETTLEMENT OF ACCOUNT FOR RALPH A. LINCOLN] |
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| [CERTIFICATE OF AN ANNUAL PHYSICAL EXAMINATION FOR RALPH A. LINCOLN] |
|