| [PUNCH CARD WITH PERSONAL DETAILS ON RALPH A. LINCOLN AND HIS WIFE] |
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| [FORM] APPLICATION FOR CONSTRUCTIVE CREDIT EQUIVALENTS |
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| SPECIAL ORDERS 21 |
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| [POSTCARD FROM LUCIE LEE TO MRS. RALPH A. LINCOLN REGARDING BIRTHDAY WISHES] |
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| SPECIAL ORDERS NO. 135 |
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| SPECIAL ORDERS NO. 5 |
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| SPECIAL ORDERS NO. 111 |
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| [REPORT] REPORT OF ARMY ENGINEER, FIRST ARMY MANEUVERS |
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| [REPORT] INFORMATION BULLETIN NO 28A- MAPS [WITH ATTACHMENT] |
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| [ENVELOPE FROM THE WAR DEPARTMENT TO CAPTAIN RALPH A. LINCOLN, MARKED AS LEAVENWORTH] |
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| [MEMORANDUM FROM THE WAR DEPARTMENT REGARDING DETAILS AS STUDENTS, 1940-41 COURSE, COMMAND AND GENERAL STAFF SCHOOL] |
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| [NOTE FROM A. WILLOOSE TO RALPH A. LINCOLN REGARDING CONGRATULATIONS] |
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| [CORRESPONDENCE FROM BURNS TO RALPH A. LINCOLN REGARDING PREPARING FOR A COURSE] |
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| [CORRESPONDENCE FROM JAMES R. WEAVER TO STUDENTS REGARDING CORPS AREA AND DEPARTMENT COMMANDERS AND COMMANDS OF EXEMPTED STATIONS] |
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| [CORRESPONDENCE FROM JAMES R. WEAVER TO STUDENTS REGARDING CORPS AREA AND DEPARTMENT COMMANDERS AND COMMANDS OF EXEMPTED STATIONS] |
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| [CORRESPONDENCE FROM J. G. CHRISTIANSEN TO MAJOR GENERAL WALTER L. WEIBLE REGARDING PRAISE FOR RALPH A. LINCOLN] |
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| [CORRESPONDENCE FROM WALTER L. WEIBLE TO RALPH A. LINCOLN REGARDING COMMENDATION] |
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| [NOTE REGARDING FAVORABLE REMARKS FOR RALPH A. LINCOLN WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM J. G. CHRISTIANSEN TO MAJOR GENERAL WALTER L. WEIBLE REGARDING PRAISE FOR RALPH A. LINCOLN] |
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| [CORRESPONDENCE FROM J. G. CHRISTIANSEN TO MAJOR GENERAL WALTER L. WEIBLE REGARDING PRAISE FOR RALPH A. LINCOLN] |
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| [CORRESPONDENCE FROM WALTER L. WEIBLE TO RALPH A. LINCOLN REGARDING COMMENDATION] |
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| [CORRESPONDENCE FROM WALTER L. WEIBLE TO RALPH A. LINCOLN REGARDING COMMENDATION] |
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| [CORRESPONDENCE FROM WALTER L. WEIBLE TO RALPH A. LINCOLN REGARDING COMMENDATION] |
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| [CORRESPONDENCE FROM WALTER L. WEIBLE TO RALPH A. LINCOLN REGARDING COMMENDATION] |
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| GENERAL ORDERS NO. 70 |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO ENGINEERS IN THE EITHER UNITED STATES ARMY IN KOREA REGARDING SUGGESTIONS] |
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| [NOTE REGARDING THE DESTRUCTION OF THE KILRA CHON RAILROAD BRIDGE] |
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| [ENVELOPE FROM THE WAR DEPARTMENT WITH A NOTE REGARDING LOCK AND DAM #9] |
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| [BOOKLET] REGULATIONS GOVERNING PROCEDURE AT LOCK & DAM NO, ALL'Y [ALLEGHENY] RIVER |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE DISTRICT ENGINEER REGARDING A LEAVE OF ABSENCE] |
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| [CORRESPONDENCE FROM E. G. POWELL TO DISTRICT ENGINEERS REGARDING COMMISSIONED OFFICERS ON DUTY IN OHIO RIVER DIVISION] |
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| [BLACK AND WHITE PHOTOGRAPH OF A CONCRETE TOWER] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO MR. HARRY A. DIMITT REGARDING AN ENCLOSED LETTER WITH ATTACHMENT] |
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| [MEMORANDUM FROM RALPH A. LINCOLN TO CAPTAIN B. F. CHADWICK REGARDING A PAYROLL CLERK] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN REGARDING A LETTER OF RECOMMENDATION FOR JAMES A. WAUGH] |
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| [CORRESPONDENCE FROM JAMES A. WAUGH TO RALPH A. LINCOLN REGARDING A REQUEST FOR A LETTER OF RECOMMENDATION] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO MR. L. L. MILLER REGARDING THE WORK OF A. J. MASE] |
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| [MEMORANDUM FROM RALPH A. LINCOLN TO W. J. SHUTES REGARDING A CHANGE TO A PAY VOUCHER] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE CHIEF OF ENGINEERS REGARDING A LEAVE OF ABSENCE] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE CHIEF OF ENGINEERS REGARDING A LEAVE OF ABSENCE] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE DISTRICT ENGINEER REGARDING A LEAVE OF ABSENCE] |
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| [CORRESPONDENCE FROM LUCIUS D. CLAY TO DISTRICT AND DIVISION ENGINEERS REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM J. E. GLYNN TO THE U.S. ENGINEER OFFICE REGARDING A CAR LOAD OF DIRT] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHAN TO RALPH A. LINCOLN REGARDING CHECKS] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHAN TO RALPH A. LINCOLN REGARDING CHECKS] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHAN 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 RALPH A. LINCOLN TO DR. T. CRAIG MCKEE REGARDING CONSTRUCTION ON LOCK AND DAM NO 9] |
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| [CORRESPONDENCE FROM T. CRAIG MCKEE TO CAPTAIN R.A. LINCOLN REGARDING THANK YOU FROM KITTANNING KIWANIS CLUB] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN REGARDING MONEY FOR TRAVEL] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHEN TO RALPH A. LINCOLN REGARDING CHECKS] |
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| [CORRESPONDENCE FROM E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM R. M. MCCUTCHEN TO RALPH A. LINCOLN REGARDING CHECKS] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE BUREAU OF MOTOR VEHICLES REGARDING A CAR TITLE] |
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| [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] |
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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] |
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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] |
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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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| [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 |
|