Sketches and prints (17.5" x 44"): foundation, soffit graph, notes in pencil, July Sketches and prints (29" x 28"): buttresses, printed plan (signed by Casey) Sketches and prints (17" x 17"): plummet, graph, February 12 Sketches and prints (20" x 16"): plummet, graph, February 15 Sketches and prints (25" x 23"): plummet graph, August 27 Sketches and prints (25.5" x 25"): plummet graph, notes in pencil, June 24 Sketches and prints (23" x 25.5"): plummet graph, January 27 Sketches and prints (33.5" x 43.5"): unidentified graph, notes in pencil, ca. April Sketches and prints (26" x 31.5"): plummet graph, January 27 Sketches and prints (32" x 38.5"): various views of foundation, print of sketch (signed by Casey) Professional papers of Thomas Lincoln Casey (1831-1896): Casey/ Hayes correspondence Correspondence re: Haviland China: letter to Casey from Lucy Hayes, August 28 Correspondence re: Haviland China: letter to Casey from Rutherford B. Hayes, August 28 Correspondence re: Haviland China: telegram to Casey from Rutherford B. Hayes, August 28 Correspondence re: Haviland China: letter from Casey to Rutherford B. Hayes, August, 31 Correspondence re: Haviland China: letter from Casey to Haviland China Company, September 5 Correspondence re: Haviland China: letter to Casey from Rutherford B. Hayes, June 10 Correspondence re: Haviland China: letter from Casey to Rutherford B. Hayes, June 24; includes draft Correspondence re: Haviland China: letter from Casey to Lucy Hayes Other papers: article, "Disputed Contingent Fund," Baltimore Sun, June 8 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]