| [CORRESPONDENCE FROM RALPH A. LINCOLN TO LOUIS J. RUMAGGI REGARDING CATCHING UP WITH ATTACHMENT] |
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| [CERTIFICATE OF COMMENDATION FOR RALPH A. LINCOLN] |
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| [CITATION FOR THE ARMY COMMENDATION RIBBON FROM LIEUTENANT GENERAL H. A. DRUM TO RALPH A. LINCOLN] |
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| [CORRESPONDENCE FROM W. E. R. COVELL TO RALPH A. LINCOLN REGARDING TRAVEL ORDERS] |
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| [CORRESPONDENCE FROM WM. E. BERGIN TO RALPH A. LINCOLN REGARDING RETIREMENT] |
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| [NOTE REGARDING FAVORABLE REMARKS FOR RALPH A. LINCOLN WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN REGARDING MONEY FOR TRAVEL] |
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| [NOTE WITH THE LETTERS "CD" AND "NO-1 ETC" ON IT] |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO MAJOR GENERAL S. D. STURGIS JR. REGARDING LINCOLN'S RETIREMENT] |
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| [ENVELOPE FROM THE WAR DEPARTMENT TO CAPTAIN RALPH A. LINCOLN, MARKED AS LEAVENWORTH] |
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| [ILLUSTRATION REGARDING A BLUEPRINT] |
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| [BOOKLET] CONEMAUGH DAM- ANOTHER LINK IN THE CHAIN |
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| [CORRESPONDENCE FROM RALPH A. LINCOLN TO THE DISTRICT ENGINEER REGARDING A LEAVE OF ABSENCE] |
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| [CORRESPONDENCE FROM BURNS TO RALPH A. LINCOLN REGARDING PREPARING FOR A COURSE] |
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| [ENVELOPE FROM THE CORPS OF ENGINEERS MARKED AS EFFICIENCY REPORTS- DATE AND WORKSHEETS] |
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| [ILLUSTRATION AND NOTES REGARDING A ROOF BLUEPRINT] |
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| [NOTE FROM A. WILLOOSE TO RALPH A. LINCOLN REGARDING CONGRATULATIONS] |
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| [MEMORANDUM FROM RALPH A. LINCOLN TO R. T. WARD REGARDING A REPORT ON WATER CARTS] |
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| [SPEECH NOTECARDS] COL. LINCOLN-TV PROGRAM-WQED 9:30 PM |
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| [NOTE REGARDING ESTIMATES AND BAILIWICK] |
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