Washington Monument (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Washington Monument" in English language version.

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Readex.com

Thos. Lincoln Casey, "report of operations upon the Washington Monument for the year [1884]" in Letter from William W. Corcoran, Chairman of the Joint Commission for the Completion of the Washington Monument, transmitting the annual report of the Commission, December 19, 1884, U.S. Congressional Serial Set, Vol. 2310, 48th Congress, 2nd Session, House of Representatives Misc. Doc. 8, p. 5. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.
Washington National Monument, April 19, 1872, U.S. Congressional Serial Set, Vol. 1528, 42d Congress, 2d Session, House Report 48. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.
[Thomas Lincoln Casey], Letter from the Joint Commission for Completion of the Washington Monument, transmitting their annual report. December 15, 1885 Congressional Serial Set, volume 2333, 49th Congress, 1st session, Senate Doc. 6. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.

acs.org

portal.acs.org

"Hall Process: Production and Commercialization of Aluminum". National Historic Chemical Landmarks. American Chemical Society. Archived from the original on February 23, 2013. Retrieved March 25, 2013.

archive.org

Frederick L. Harvey, History of the Washington National Monument and Washington National Monument Society, Congressional Serial Set, volume 4436, 57th Congress, 2nd session, Senate Doc. 224, 1903. The smaller 1902 edition has the slightly different name History of the Washington National Monument and of the Washington National Monument Society. The 1903 edition is about three times the size of the 1902 edition principally due to its inclusion of the full texts of many documents and speeches.
Henry R. Searle: Washington Monument - Monograph., Gibson Brothers Washington, D.C. 1847, page 3, in: Internet Archives, retrieved February 11, 2024.
Moore, Charles, ed. (1902). The Improvement of the Park System of the District of Columbia. U.S. Government Printing Office. pp. 51–52.
Reeves, Thomas C. (February 1975). Gentleman Boss. New York: Alfred A. Knopf. p. 413. ISBN 978-0-394-46095-6.
Henry van Brunt: The Washington Monument., Internet Archives, "American Art and Art Collections", Walter Montgomery (Editor), E. W. Walker and Company, Boston 1889, pages 354–368.
The Dedication of the Washington National Monument, 1885.
Reeves, Thomas C. (1975). Gentleman Boss. New York: Alfred A. Knopf. p. 414. ISBN 978-0-394-46095-6.
Jeffrey David Simon (2001). The Terrorist Trap: America's Experience with Terrorism. Indiana UP. p. 285.
William D. Purdum (March 5, 1940). "The history of the marble quarries in Baltimore County, Maryland". Retrieved June 27, 2014.

archive.today

"Hall Process: Production and Commercialization of Aluminum". National Historic Chemical Landmarks. American Chemical Society. Archived from the original on February 23, 2013. Retrieved March 25, 2013.

army.mil

publications.usace.army.mil

Louis Torres, "To the immortal name and memory of George Washington": The United States Army Corps of Engineers and the Construction of the Washington Monument Archived June 24, 2016, at the Wayback Machine, (Washington, D.C.: US Government Printing Office, 1984).

asla.org

Monument Security (from the American Society of Landscape Architects website, ASLA awards 2006)

baltimoremagazine.com

Ron Cassie: Recalling the “Lost” Irish Quarry Town of Texas in Baltimore County., "Baltimore magazine", November 2022, retrieved February 13, 2024.

baltimoresun.com

Loudermilk, Suzanne (November 3, 1998). "A monumental encore Quarries: Baltimore County marble was used in building the Washington Monument in the nation's capital, and marble from the same place might be used as it is restored". Baltimore Sun. Retrieved June 29, 2023.

bizjournals.com

Neibauer, Michael. "Here's Where You'll Queue to Visit the Washington Monument." Washington Business Journal. March 7, 2014 Archived August 29, 2016, at the Wayback Machine. Retrieved March 7, 2014.

books.google.com

Paul K. Longmore (1999). The Invention of George Washington. Univ. of Virginia Press. p. 207. ISBN 978-0-8139-1872-3. Retrieved February 16, 2015.
Frederick L. Harvey, History of the Washington National Monument and Washington National Monument Society, Congressional Serial Set, volume 4436, 57th Congress, 2nd session, Senate Doc. 224, 1903. The smaller 1902 edition has the slightly different name History of the Washington National Monument and of the Washington National Monument Society. The 1903 edition is about three times the size of the 1902 edition principally due to its inclusion of the full texts of many documents and speeches.
Perry, John (2010). Lee: A Life of Virtue. Nashville, Tennessee: Thomas Nelson. pp. 93–94. ISBN 978-1595550286. OCLC 456177249. At Google Books.
Crutchfield, James A. (2005). George Washington: First in War, First in Peace. New York: A Forge Book: Tom Doherty Associates, LLC. p. 218. ISBN 0765310694. OCLC 269434694.
"Washington Monument attacked by Geological Tuberculosis" Archived September 2, 2016, at the Wayback Machine Popular Mechanics, December 1911, pp. 829–830. This source mistakenly said the lower 190 feet was constructed during the early period—it was actually 150 feet.
The Cambrian, vol. XVII, p. 139. 1897.
Ferling, John E. (1988). The First of Men: A Life of George Washington. New York: Oxford University Press. p. 488. ISBN 0199742278. Retrieved August 22, 2015.
M., "The Washington Monument, and the Lightning Stroke of June 5" Archived September 2, 2016, at the Wayback Machine, Science 5 (1885) 517–518.
Risk Management Series: Site and Urban Design for Security. U. S. Department Security, Federal Emergency Agency. January 27, 2013. pp. 4–17.

cmaanet.org

"Washington Monument Earthquake Repair". CMAA. May 1, 2014. Archived from the original on July 15, 2015. Retrieved July 15, 2015.

cnn.com

"Washington Monument reopens after quake repairs". CNN.com. August 23, 2011. Retrieved May 14, 2014.
Jen Rose Smith. "These US national parks are closed because of coronavirus." CNN Travel, 17 March 2020. Retrieved 20 August 2021.
Greg Clary. "." CNN Politics. 23 January 2021. Retrieved 20 August 2021.

edition.cnn.com

Winston, Adrienne; Marcus, Lilit (September 21, 2022). "Washington Monument vandalized with red paint". CNN. Retrieved September 27, 2022.

cornell.edu

law.cornell.edu

L'Enfant identified himself as "Peter Charles L'Enfant" during most of his life, while residing in the United States. He wrote this name on his "Plan of the city intended for the permanent seat of the government of t(he) United States ..." and on other legal documents.^[34] However, during the early 1900s, the then French ambassador to the U.S., Jean Jules Jusserand, popularized the use of L'Enfant's birth name, "Pierre Charles L'Enfant".^[35] The National Park Service identifies L'Enfant as "Major Peter Charles L'Enfant" and as "Major Pierre (Peter) Charles L'Enfant" on pages of its website that describe the Washington Monument.^[36]^[37] The United States Code states in 40 U.S.C. § 3309: "(a) In General. – The purposes of this chapter shall be carried out in the District of Columbia as nearly as may be practicable in harmony with the plan of Peter Charles L'Enfant."

ctbuh.org

"CTBUH Criteria for Defining and Measuring Tall Buildings". ctbuh.org.

dc.gov

emancipation.dc.gov

Allen, William C. (June 1, 2005), History of Slave Laborers in the Construction of the United States Capital, Office of the Architect of the Capitol

dcist.com

Freed, Benjamin R. "Washington Monument Nearly Topped Out, Will Be Lighted in June". Archived from the original on May 6, 2013. Retrieved May 9, 2013.

deseretnews.com

John Heilprin (February 23, 2002). "New sight from Washington Monument". Deseret News. Archived from the original on January 20, 2012. Retrieved June 13, 2011.

doi.org

George J. Binczewski (1995). "The Point of a Monument: A History of the Aluminum Cap of the Washington Monument". JOM. 47 (11): 20–25. Bibcode:1995JOM....47k..20B. doi:10.1007/bf03221302. S2CID 111724924.
Fletcher, Rachel (2004). "Musings on the Vesica Piscis". Nexus Network Journal. 6 (2): 95–110. doi:10.1007/s00004-004-0021-8..

foxnews.com

FoxNews.com (August 23, 2011). "Disasters Washington Monument Indefinitely Closes After Earthquake Causes Cracks". Fox News. Retrieved August 23, 2011.

geoengineer.org

casehistories.geoengineer.org

Jean-Louis Briaud et al, "The Washington Monument case history" Archived August 1, 2016, at the Wayback Machine, International Journal of Geoengineering Case Histories 1 (2009) 170–188, pp. 176–179.

go.com

abcnews.go.com

"10 Facts About the Washington Monument as It Reopens". ABC News. Retrieved May 14, 2014.
Lauren Lantry. "The Washington Monument is reopening Wednesday after being closed because of COVID." ABC News. 14 July 2021. Retrieved 20 August 2021.

google.com

"Washington Monument top cracked by earthquake". Associated Press. Retrieved August 24, 2011.^{[dead link‍]}

govexec.com

blogs.govexec.com

Clark, Charles S. (August 21, 2012). "Washington Monument Elevator Woes". Government Executive. Archived from the original on January 17, 2012. Retrieved January 31, 2013.

harvard.edu

ui.adsabs.harvard.edu

George J. Binczewski (1995). "The Point of a Monument: A History of the Aluminum Cap of the Washington Monument". JOM. 47 (11): 20–25. Bibcode:1995JOM....47k..20B. doi:10.1007/bf03221302. S2CID 111724924.

jstor.org

Sheldon S. Cohen, "Monuments to Greatness: George Dance, Charles Polhill, and Benjamin West's Design for a Memorial to George Washington." Virginia Magazine of History and Biography, April 1991, Vol. 99 Issue 2, pp. 187–203. JSTOR 4249215 ISSN 0042-6636. Retrieved February 16, 2015.

latimes.com

"Washington Monument draws crowds as it reopens after renovations". Los Angeles Times. May 12, 2014. Retrieved May 14, 2014.

loc.gov

Arzola, Robert R.; Lockett, Dana L.; Schara, Mark; Vazquez, Jose Raul (1994). Historic American Buildings Survey, Washington Monument, HABS DC-428 (drawings). National Park Service.
Peter Charles L'Enfant's "Plan of the city intended for the permanent seat of the government of t(he) United States ..." in official website of the U.S. Library of Congress. Retrieved October 22, 2009. Freedom Plaza in downtown Washington, D.C., contains an inlay of the central portion of L'Enfant's plan and of its legends. Archived July 30, 2007, at the Wayback Machine
Letter from Nicholas King, Surveyor of the City to Thomas Jefferson, October 15, 1804 Survey of Jefferson Pier. 7696.8 feet – 370 feet + 60.6 feet = 7387.4 feet.
External apex east and north faces Archived October 9, 2016, at the Wayback Machine
External apex west and south faces Archived May 15, 2016, at the Wayback Machine

hdl.loc.gov

Peter Charles L'Enfant's "Plan of the city intended for the permanent seat of the government of t(he) United States ..." in official website of the U.S. Library of Congress. Retrieved October 22, 2009. Freedom Plaza in downtown Washington, D.C., contains an inlay of the central portion of L'Enfant's plan and of its legends. Archived July 30, 2007, at the Wayback Machine
"Inscription at level 330 – Washington Monument, High ground West of Fifteenth Street, Northwest, between Independence & Constitution Avenues, Washington, District of Columbia, DC". loc.gov. 1994.

lcweb2.loc.gov

Wunsch, Aaron V. (1994). Historic American Buildings Survey, Washington Monument, HABS DC-428 (text) (PDF). National Park Service.

loislaw.com

"Primary Acts passed by U.S. Congress". Loislaw. Retrieved August 4, 2008.

maps.google.com

"Marble quarries near Cockeysville, MD" (Map). Google Maps. Retrieved January 31, 2013.

martinmarietta.com

Martin Marietta – Texas Quarry, Martin Marietta Materials, archived from the original on February 9, 2021, retrieved July 27, 2019

mristanblue.wordpress.com

"Sister Monuments: Hagia Sophia and Washington Monument". (not to be) Missed Turkey & Istanbul Sites and Facts. April 23, 2010.

nationaltreasures.org

"A Monumental Omission". Nationaltreasures.org. Retrieved January 31, 2013.

ncpc.gov

newsbank.com

infoweb.newsbank.com

Thos. Lincoln Casey, "report of operations upon the Washington Monument for the year [1884]" in Letter from William W. Corcoran, Chairman of the Joint Commission for the Completion of the Washington Monument, transmitting the annual report of the Commission, December 19, 1884, U.S. Congressional Serial Set, Vol. 2310, 48th Congress, 2nd Session, House of Representatives Misc. Doc. 8, p. 5. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.
Washington National Monument, April 19, 1872, U.S. Congressional Serial Set, Vol. 1528, 42d Congress, 2d Session, House Report 48. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.
[Thomas Lincoln Casey], Letter from the Joint Commission for Completion of the Washington Monument, transmitting their annual report. December 15, 1885 Congressional Serial Set, volume 2333, 49th Congress, 1st session, Senate Doc. 6. Available for free in most large United States libraries in government documents or online. Establish a connection to Readex collections before clicking on link.

noaa.gov

ngs.noaa.gov

National Geodetic Survey, "2013–2014 Survey of the Washington Monument" Archived March 3, 2016, at the Wayback Machine, 2015. Horizontal coordinates converted from NAD83(2011) to WGS84(G1674), the required coordinate system for Wikipedia coordinates, via NGS Horizontal Time-Dependent Positioning, epoch 2010.0 including ellipsoidal height.
National Geodetic Survey, "Why does the value obtained in 2014 ... disagree with the 1884 value ...?" Archived March 4, 2016, at the Wayback Machine, 2015, picture of precise spot used.
"Data Sheet Retrieval". noaa.gov.

nps.gov

"Foundation Statement for the National Mall and Pennsylvania Avenue National Historic Park" (PDF), National Park Service, retrieved May 20, 2010
John Milner Associates, Historic Structure Report: Washington Monument Archived June 20, 2015, at the Wayback Machine, 2004 (HSR)
"Frequently Asked Questions about the Washington Monument by the National Park Service". Nps.gov. Retrieved January 31, 2013.
Michael D. Hoover, The origins and history of the Washington Monument flag display, 1992 Archived June 20, 2015, at the Wayback Machine
"Post-Earthquake Assessment" (PDF). www.nps.gov. National Park Service. December 22, 2011. Retrieved January 4, 2016.
"The Washington Monument: Tribute in Stone, Reading 3". National Park Service. Retrieved August 12, 2011.
"Washington Monument" section in "Washington, D.C.: A National Register of Historic Places Travel Itinerary" page in official website of U.S. National Park Service. Retrieved October 22, 2009.
"Washington Monument" page in "American Presidents" section of official website of U.S. National Park Service. Retrieved October 22, 2009.
"Reading 2: Construction of the Monument". National Park Service. Retrieved March 10, 2015.
Judith M. Jacob, The Washington Monument: A technical history and catalog of the commemorative stones Archived June 20, 2015, at the Wayback Machine, 2005.
"Washington Monument". National Park Service. Retrieved March 10, 2015. The walls of the monument range in thickness from 15' at the base to 18' at the upper shaft. They are composed primarily of white marble blocks from Maryland with a few from Massachusetts, underlain by Maryland blue gneiss and Maine granite. A slight color change is perceptible at the 150' level near where construction slowed in 1854.
"Determining the Facts Reading 3: Finishing the Monument". nps.gov. Retrieved January 15, 2015.
"Washington Monument Finds Additional Cracks." Press release. National Park Service. U.S. Department of the Interior. August 25, 2011 Archived May 2, 2014, at the Wayback Machine. Retrieved August 26, 2011.
Washington Monument Earthquake Update Archived August 27, 2016, at the Wayback Machine, NPS, page contains news releases, a picture, video, and images of the earthquake and damage
Grimmer, Anne E., "Dutchman Repair" (1984),A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments. Washington, D.C.: Department of the Interior, National Park Service Preservation Assistance Division. p. 56. Retrieved April 3, 2013.
"Washington Monument reopening". National Park Service. Retrieved May 12, 2014.
"David Rubenstein Donates Funds to Modernize Washington Monument Elevator – National Mall and Memorial Parks (U.S. National Park Service)". www.nps.gov. Retrieved December 2, 2016.
National Park Service (September 17, 2019), Operating Hours & Seasons, National Park Service, retrieved September 19, 2019
"The Washington Monument's Inner Jewels", nps.gov
Charles W. Snell, A Brief History of the Washington Monument and Grounds, 1783–1978 Archived June 20, 2015, at the Wayback Machine (1978) 17–19.

cr.nps.gov

"The Washington Monument: Tribute in Stone". National Park Service, ParkNet. Archived from the original on December 25, 2016. Retrieved April 27, 2006.
"Washington Monument" Archived December 27, 2014, at the Wayback Machine. Teaching with Historic Places. National Park Service. Retrieved October 15, 2006.

npgallery.nps.gov

Pfanz, Donald C. (December 2, 1980). "Jefferson Pier Marker". National Capital Region. National Register of Historic Places Inventory – Nomination Form: Washington Monument. United States Department of the Interior: National Park Service. p. Continuation Sheet, Item No. 7, p. 4. Retrieved February 13, 2012.
"National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.

parkplanning.nps.gov

"1993 Evaluation of the Washington Monument (1 of 5)". National Park Service.
"Washington Monument Seismic Report without appendices". Washington Monument Seismic Study. National Park Service. pp. 10–16. Retrieved June 14, 2016.

npshistory.com

Olszewski, George J. (1971). "A History of the Washington Monument, 1844–1968, Washington, D.C." Washington, D.C.: National Park Service.

nytimes.com

timesmachine.nytimes.com

Marking a people's love, an article from The New York Times published February 22, 1885.

nytimes.com

"Monthly Visitors to the Washington Monument". The New York Times. August 24, 2011. Retrieved January 15, 2015.

oregonstate.edu

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Download Conversion Factors Archived August 29, 2016, at the Wayback Machine Oregon State University.

reuters.com

O'Toole, Molly (September 26, 2011). "Engineers to Rappel Down Washington Monument to Inspect Damage". Reuters.com. Retrieved January 31, 2013.

semanticscholar.org

api.semanticscholar.org

George J. Binczewski (1995). "The Point of a Monument: A History of the Aluminum Cap of the Washington Monument". JOM. 47 (11): 20–25. Bibcode:1995JOM....47k..20B. doi:10.1007/bf03221302. S2CID 111724924.

skyscraperpage.com

"Washington Monument". SkyscraperPage.com. Retrieved July 10, 2008.

slate.com

Jesus, Austin Elias-de (July 11, 2017). "Spider-Man: Homecoming Says the Washington Monument Was Built by Slaves. Was It?". Slate. Retrieved July 11, 2017.

smithsonianchannel.com

"Aerial America: Washington D.C.". Aerial America. Smithsonian channel.

thehill.com

Cohn, Alicia. "Washington Monument could be closed until 2014 for earthquake repairs". The Hill. Retrieved July 9, 2012.
Beitsch, Rebecca (April 15, 2019). "Washington Monument reopening delayed by possible soil contamination". The Hill. Retrieved July 15, 2019.
Beitsch, Rebecca (January 11, 2021). "Washington Monument closed through inauguration due to 'credible threats'". The Hill. Retrieved January 11, 2021.

theolinstudio.com

Washington Monument Archived April 30, 2016, at the Wayback Machine (from the OLIN website)

tms.org

George J. Binczewski (1995). "The Point of a Monument: A History of the Aluminum Cap of the Washington Monument". JOM. 47 (11): 20–25. Bibcode:1995JOM....47k..20B. doi:10.1007/bf03221302. S2CID 111724924.

uchicago.edu

penelope.uchicago.edu

US House of Representatives, 33d Congress, 2d Session, Report No. 94, as transcribed in Thayer's Gazetteer, retrieved on February 7, 2025.

unt.edu

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Paul Gervais Bell Jr., "Monumental Myths" Archived March 4, 2016, at the Wayback Machine, Southwestern Historical Quarterly, vol. 103, 2000, frontispiece–14, pp. 13–14

usatoday.com

"Washington Monument reopens to public". USA Today. April 1, 2005. Retrieved June 9, 2011.^{[dead link‍]}
Joey Garrison. "Washington Monument closed down after Interior Secretary tests positive for COVID-19." USA Today. 18 December 2020. Retrieved 20 August 2021.

usgs.gov

pubs.usgs.gov

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Riesman, Abraham (July 10, 2017). "So, Was the Washington Monument Built by Slaves". Slate. Retrieved October 31, 2017.

wamu.org

Smith, Markette (September 26, 2011). "Climbers Rappel Washington Monument to Assess Damage". Wamu.org. Retrieved January 31, 2013.

washingtonpost.com

Kelly, John (June 19, 2013). "Local: The Washington Monument is tall, but is it the tallest?". Washington Post. Retrieved December 26, 2016.
Gabriel Escobar (December 30, 1998). "Obelisk's Scaffold Is First of Its Kind". Washington Post. Retrieved June 13, 2011.
Paul Schwartzman (March 19, 2005). "Washington Monument To Reopen Next Month". The Washington Post. Retrieved June 9, 2011.
Michael E. Ruane (September 26, 2011). "Washington Monument Elevator Damage Inspected as Earthquake's Toll Is Assessed". Washington Post. Retrieved January 31, 2013.
Sullivan, Patricia. "Washington Monument Cracks Indicate Earthquake Damage." Washington Post. August 25, 2011. Assessed August 26, 2011.
Ruane, Michael E. "Earthquake-Damaged Washington Monument May Be Closed Into 2014." Washington Post. July 9, 2012. Retrieved July 14, 2012
"The lights went out at the Washington Monument", Dana Hedgpeth. Washington Post. January 4, 2017. Retrieved January 4, 2017
Hedgpeth, Dana; Ruane, Michael E. (September 26, 2016). "Washington Monument closed indefinitely over elevator's 'reliability issues'". The Washington Post. Retrieved September 26, 2016.
Weil, Martin; Hermann, Peter (September 21, 2022). "Washington Monument vandalized with paint; man is arrested, police say". The Washington Post. Retrieved September 21, 2022.

web.archive.org

National Geodetic Survey, "2013–2014 Survey of the Washington Monument" Archived March 3, 2016, at the Wayback Machine, 2015. Horizontal coordinates converted from NAD83(2011) to WGS84(G1674), the required coordinate system for Wikipedia coordinates, via NGS Horizontal Time-Dependent Positioning, epoch 2010.0 including ellipsoidal height.
National Geodetic Survey, "Why does the value obtained in 2014 ... disagree with the 1884 value ...?" Archived March 4, 2016, at the Wayback Machine, 2015, picture of precise spot used.
John Milner Associates, Historic Structure Report: Washington Monument Archived June 20, 2015, at the Wayback Machine, 2004 (HSR)
Paul Gervais Bell Jr., "Monumental Myths" Archived March 4, 2016, at the Wayback Machine, Southwestern Historical Quarterly, vol. 103, 2000, frontispiece–14, pp. 13–14
Louis Torres, "To the immortal name and memory of George Washington": The United States Army Corps of Engineers and the Construction of the Washington Monument Archived June 24, 2016, at the Wayback Machine, (Washington, D.C.: US Government Printing Office, 1984).
Michael D. Hoover, The origins and history of the Washington Monument flag display, 1992 Archived June 20, 2015, at the Wayback Machine
National Park Service and National Capital Planning Commission. "Visitor Screening Facility, Washington Monument Between 14th and 17th Streets, NW and Constitution Avenue, NW and the Tidal Basin." Executive Director's Recommendation. NCPC File Number 6176. March 6, 2014, pp. 5, 7 Archived March 4, 2016, at the Wayback Machine. Retrieved March 7, 2014.
"The Washington Monument: Tribute in Stone". National Park Service, ParkNet. Archived from the original on December 25, 2016. Retrieved April 27, 2006.
Peter Charles L'Enfant's "Plan of the city intended for the permanent seat of the government of t(he) United States ..." in official website of the U.S. Library of Congress. Retrieved October 22, 2009. Freedom Plaza in downtown Washington, D.C., contains an inlay of the central portion of L'Enfant's plan and of its legends. Archived July 30, 2007, at the Wayback Machine
Judith M. Jacob, The Washington Monument: A technical history and catalog of the commemorative stones Archived June 20, 2015, at the Wayback Machine, 2005.
"Washington Monument" Archived December 27, 2014, at the Wayback Machine. Teaching with Historic Places. National Park Service. Retrieved October 15, 2006.
"Washington Monument". Emporis.com. Archived from the original on March 9, 2007. Retrieved July 6, 2008.
"Washington Monument attacked by Geological Tuberculosis" Archived September 2, 2016, at the Wayback Machine Popular Mechanics, December 1911, pp. 829–830. This source mistakenly said the lower 190 feet was constructed during the early period—it was actually 150 feet.
John Heilprin (February 23, 2002). "New sight from Washington Monument". Deseret News. Archived from the original on January 20, 2012. Retrieved June 13, 2011.
"Washington Monument Finds Additional Cracks." Press release. National Park Service. U.S. Department of the Interior. August 25, 2011 Archived May 2, 2014, at the Wayback Machine. Retrieved August 26, 2011.
Nuckols, Ben. "Weather May Delay Washington Monument Rappelling" Archived November 11, 2016, at the Wayback Machine Associated Press. September 27, 2011.
Clark, Charles S. (August 21, 2012). "Washington Monument Elevator Woes". Government Executive. Archived from the original on January 17, 2012. Retrieved January 31, 2013.
Washington Monument Earthquake Update Archived August 27, 2016, at the Wayback Machine, NPS, page contains news releases, a picture, video, and images of the earthquake and damage
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wiktionary.org

en.wiktionary.org

Several heights have been specified, all of which exclude the foundation, whose top is 15 feet 8 inches (4.78 m) above the pre-construction ground level. The foundation is surrounded by a grassy knoll, which serves as a buttress for the monument's foundation and effectively places the monument's foundation below ground level.
- 554 feet 7+11⁄32 inches (169.046 m) according to the National Geodetic Survey (NGS)^[1]^: 5 using the criteria of the Council on Tall Buildings and Urban Habitat (CTBUH), that is, from the "level of the lowest, significant, open-air, pedestrian entrance" to the highest point of the building.^[6] From among four candidate points suggested by the NGS, the CTBUH chose a point on the entry ramp installed in 1975 where it crosses the outer face of the marble facade of the monument.^[3]^: 7^[7]^[8]^{: 2–15, 3–18, 4–13, B-49, figs 3.32, 3.33, 3.39, 3.42}^[9]^{: sheet 31} Measured 2013–14 and reported February 16, 2015. This is also its new above-ground height because the ground at the shaft was raised in 1975 to match the ramp. The ground surrounding the shaft was replaced by granite pavers during 2004–05 to match the raised ground level and the ramp. This height is 22.0 centimeters (8+5⁄8 in) above four "CASEY marks", 2+1⁄2-inch-diameter (6.4 cm) brass bolt heads whose shafts are inserted vertically into the topmost level of the foundation just outside the four corners of the monument. These CASEY marks were set flush with the lower surface of the marble blocks. The NGS thinks they were likely used by Col. Thomas Lincoln Casey, the engineer in charge of construction, to determine the traditional height in 1884. The floor at the elevator is now 13.9 centimeters (5+1⁄2 in) above this pedestrian entrance, and 35.9 centimeters (14+1⁄8 in) above the CASEY marks.^[1]^{: 13, 56, 65, 82–84}

worldcat.org

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Perry, John (2010). Lee: A Life of Virtue. Nashville, Tennessee: Thomas Nelson. pp. 93–94. ISBN 978-1595550286. OCLC 456177249. At Google Books.
Crutchfield, James A. (2005). George Washington: First in War, First in Peace. New York: A Forge Book: Tom Doherty Associates, LLC. p. 218. ISBN 0765310694. OCLC 269434694.

worldcat.org

Sheldon S. Cohen, "Monuments to Greatness: George Dance, Charles Polhill, and Benjamin West's Design for a Memorial to George Washington." Virginia Magazine of History and Biography, April 1991, Vol. 99 Issue 2, pp. 187–203. JSTOR 4249215 ISSN 0042-6636. Retrieved February 16, 2015.

wtop.com

Alejandro Alvarez. "Washington Monument closed for 4th day after lightning strike." WTOP News.. 19 August 2021. Retrieved 20 August 2021.

wusa9.com

Cremen, Alanea (December 20, 2022). "Man to pay thousands for defacing Washington Monument". WUSA. Retrieved May 2, 2024.

yahoo.com

Nuckols, Ben. "Weather May Delay Washington Monument Rappelling" Archived November 11, 2016, at the Wayback Machine Associated Press. September 27, 2011.