Correspondence [8 items] Correspondence; includes poem about the monument [13 items] Notes Letters, drafts, and memoranda [4 items] Foundation: calculations, sketches, soil and clay [3 items] Foundation: calculations and rough sketches [8 items] Marble and stone: drafts, calculations, and rough sketches [11items] Marble and stone: drafts, calculations, rough sketches, September [4 items] Obelisk: calculations and rough sketches, August [3 items] Roof and height: calculations and rough sketches [3 items] Roof and height: calculations, rough sketches, diary, and marble pyramdidion, November [3 items] Columns: calculations and rough sketches [4 items] Buttresses, lightning rod, calculations, and rough sketches [9 items] Unidentified: calculations and rough sketches [15 items] Project expenditures [4 items] Other structures; includes printed articles [3 items] Reports Drafts of reports [2 items] Draft of report by William Davis [1 item] Project, arch ribs, care and maintenance, and lighting [4 items] Filling in pond, ground plates [2 items] Monument being struck by lightening [3 items] Oscillation, thunder storm, and construction [3 items] Test results: interior stability, weight and pressure, and foundation materials [3 items] Test results: concrete [1 item] Test results: concrete [5 items] Dedication preparation [1 item] Joint Commission on the Supervision of the Completion of the Washington Monument [1 item] Reports to Auditor from Comptroller [8 items] Reports to Auditor from Comptroller [9 items] Reports to Auditor from Comptroller [6 items] Reports to Auditor from Comptroller [6 items] Foundation Reports [2 items] Reports: George W. Davis [1 item] Estimates [1 item] Expenditures [2 items] Expenditures, (June 20) [1 item] Marble and stone Reports re: stone [3 items] Report re: memorial stones, (March) [1 item] Reports (on tests) re: force to crush stones [4 items] Reports (on tests) re: compression on stone [2 items] Estimates: lists and cost of stone cutters, July [2 items] Estimates: memorial stones [4 items] Papers of George W. Davis Letter from Casey [1 item] Letters sent: Elizabeth Howe Pierce (1744-1797) Account book Account sheet re: carpenter; includes transcript