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                  <text>&lt;span style="font-weight: 400;"&gt;In 2020, the Yarbrough Plant contained both a Steam Plant (built in 1925) and a Chilled Water Plant (added in 2005, according to the Office of the University Architect). &lt;/span&gt;&lt;span style="font-weight: 400;"&gt;The entire complex is 58,318 square feet, a little larger than a football field. The &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight: 400;"&gt;Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight: 400;"&gt;reported in 2014 that the plant included a “combined heat and power system,” where a cogeneration mechanism reused waste heat from the gas turbines to generate steam.&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;&amp;nbsp;Funkhouser, Edward T. “Steam Plant.” Edward T. Funkhouser Photographs, 2001-2016 (MC00336), Special Collections Research Center, NC State University Libraries, Raleigh, NC. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials." &lt;/span&gt;&lt;a href="https://d.lib.ncsu.edu/collections/catalog/mc00336-SteamPlantSept2011"&gt;&lt;span style="font-weight: 400;"&gt;https://d.lib.ncsu.edu/collections/catalog/mc00336-SteamPlantSept2011&lt;/span&gt;&lt;/a&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;&amp;nbsp;Original blueprint of NC State Power Plant, 1924 &lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;When the power plant began operations in 1925, &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight: 400;"&gt;The Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight: 400;"&gt;reported that the plant used “equipment of the very latest design.” These included three boilers that provided 1,012 horsepower in total, a new switchboard that could receive extra electrical current from the Carolina Power and Light Company, and two large heating tanks that brought hot water to every building on campus.&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;J.E. Sirrine &amp;amp; Company, Engineers. “Elevations of New Power Plant.” Yarbrough Steam Plant 02-29-1924. Digital Plan Room, Office of the University Architect, NC State University, Raleigh, NC.&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;Interior of the “Power Plant,” 1955&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;Because of electrical rewiring on campus in the 1930s, employees often had to operate the power plant well above anticipated levels throughout that decade and the next. For instance, in 1946, the peak electric load was nearly 15 times what it had been in 1924, and boilers operated at 250 percent of their rating, according to a report to the University Archivist. Peirson &amp;amp; Whitman renovated and improved the plant from 1948-1950.&lt;/span&gt;</text>
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                  <text>&lt;p&gt;&lt;span style="font-weight: 400;"&gt;“North Carolina State College: Power Plant Interiors.” North Carolina State University, College of Agriculture and Life Sciences, Department of Communication Services Records (UA100.099), Special Collections Research Center, NC State University Libraries, Raleigh, NC. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials." &lt;/span&gt;&lt;a href="https://d.lib.ncsu.edu/collections/catalog/ua100_099-002-cb0002_034-12306-001"&gt;&lt;span style="font-weight: 400;"&gt;https://d.lib.ncsu.edu/collections/catalog/ua100_099-002-cb0002_034-12306-001&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;</text>
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&lt;p&gt;&lt;span&gt;Dees’ Cartoon of the NC State Smokestack, circa 1970&lt;/span&gt;&lt;/p&gt;&#13;
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&lt;p&gt;&lt;i&gt;&lt;span&gt;Technician &lt;/span&gt;&lt;/i&gt;&lt;span&gt;cartoonist G.A. Dees regularly voiced his opposition to the coal-burning smokestacks. Others shared his concerns. Professor Jon Bordner urged NC State to “set an example” for reducing air pollution in a 1971 &lt;/span&gt;&lt;i&gt;&lt;span&gt;Technician&lt;/span&gt;&lt;/i&gt;&lt;span&gt; article. The paper also reported that when a second grader was asked him to draw a picture of pollution in 1971, he illustrated NC State’s smokestack.&lt;/span&gt;&lt;/p&gt;&#13;
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&lt;p&gt;&lt;span&gt;Dees, G.A. &lt;/span&gt;&lt;i&gt;&lt;span&gt;Kong Returns&lt;/span&gt;&lt;/i&gt;&lt;span&gt;. Illustration. G.A. Dees Cartoons, MC00201, Special Collections Research Center, NC State University Libraries, Raleigh, NC.&amp;nbsp;Photo by author.&lt;/span&gt;&lt;/p&gt;&#13;
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                  <text>&lt;span style="font-weight: 400;"&gt;&amp;nbsp;Louis Thomas Yarbrough, circa 1893&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;Louis Yarbrough was a member of NC State’s first incoming class. During his scholastic career, he founded the Lazear Literary Society, according to the &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight: 400;"&gt;Farmer and Mechanic &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight: 400;"&gt;newspaper. Yarbrough wrote his senior thesis on water wheel construction and graduated in 1893, from archival records. But the road to graduation was not easy: he nearly could not continue amidst the nation’s economic depression, according to historian Doris King. Of the many students who started with Yarbrough in 1899, just eighteen graduated in 1893.&lt;/span&gt;</text>
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                  <text>&lt;span style="font-weight: 400;"&gt;Batchelor, Burnie. “Louis Thomas Yarbrough.” University Archives Photograph Collection. Campus facilities and views (UA023.005), Special Collections Research Center, NC State University Libraries, Raleigh, NC. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials." &lt;/span&gt;&lt;a href="https://d.lib.ncsu.edu/collections/catalog/0227429"&gt;&lt;span style="font-weight: 400;"&gt;https://d.lib.ncsu.edu/collections/catalog/0227429&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight: 400;"&gt;.&lt;br /&gt;&lt;/span&gt;</text>
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              <text>&lt;span style="font-weight:400;"&gt;Yarbrough Drive Steam Plant and Smokestack&lt;/span&gt;</text>
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              <text>&lt;p&gt;&lt;span style="font-weight:400;"&gt;Since at least 1996, Facilities Division has called the plant “Yarbrough Drive Steam Plant.” The drive, noted historian Doris King in 1987, was a “permanent memorial” to Louis Thomas Yarbrough, “a man whose love and loyalty to the institution were outstanding.” &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Yarbrough was born on October 18, 1873 in Caswell County, North Carolina, according to his obituary. The graduate of a “one-teacher school,” Yarbrough enrolled with the college’s first class in 1889 on scholarship. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;AN &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;reported he taught at NC State for four years after his graduation in 1893, then joined the US Post Office Department. Yarbrough spent over thirty-seven years with the mail service, first as a clerk, then as manager of the state capitol’s post office, and finally as an esteemed postal inspector. As inspector, he caught local thieves stealing mail and international criminals shipping fraudulent merchandise.   &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Yarbrough remained close to his alma mater, physically and socially. He settled on Hillsborough Street, where he offered an “Open House” for visiting alumni until his death in 1952, according to King. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;AN &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;reported Yarbrough also chaired the Alumni Association’s “Necrology [obituary] Committee” and attended commencement ceremonies until at least 1945. Most importantly, Yarbrough helped his daughter Mary fall in love with and eventually attend NC State, where she became the first woman to earn a Master of Science from the college in 1927. Today, the smokestack named after Louis Yarbrough overlooks a courtyard named after Mary Yarbrough. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;The iconic spot had humble beginnings, and since has reflected larger themes in US environmental history.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;On February 8, 1924, &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;The Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;newspaper announced North Carolina State College’s plans for its new power plant located seventy-five feet from the railroad tracks. A 175-foot-high smokestack was adjacent, eight feet in diameter. “The name of the college,” the newspaper wrote, “will be set in white brick near the top of the stack…visible to those approaching Raleigh from” the west. Since 1924, the school has constructed a street leading to the plant (Yarbrough Drive), has surrounded it with buildings (including Riddick and SAS Halls), and has reduced its environmental impact. The smokestack remains a lively landmark on campus.     &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Historian Alice Reagan explained there had been a power plant next to Page Hall since 1907. But as the 1926 college catalog noted, the North Carolina General Assembly funded five new campus buildings from 1921-1925. “A new power plant at the College became necessary to provide heat, light and power for the new construction,” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;The&lt;/span&gt;&lt;/i&gt; &lt;i&gt;&lt;span style="font-weight:400;"&gt;Alumni News (AN) &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;reported in January 1924. Using a design by J.E. Sirrine, the school built the plant for $107,000 that year, according to blueprints and contracts. The construction process was unpleasant and dangerous: &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;AN &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;recalled how “mud was an ever-present commodity” while contractor J.A. Gardner installed steam tunnels, and &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;The Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;reported that two construction workers fell more than fifteen feet on November 28, 1924 when the building’s scaffolding collapsed (both survived). By January 1925, reporters were relieved to see “small rolls of white smoke gently making their escape” as Gardner completed tests, and the smokestacks were fully operational by February. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;From then on, the school improved and expanded the power plant about every ten years to keep up with heat and electricity demands, according to records from the Office of the University Architect. Sixty-two years after its construction, it was still going strong, and an article in &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;emphasized the diversity of activity on campus by listing that it powered “autoclaves, pasteurization equipment, soil sterilizers, a coal gasification project, and machinery in various labs.”&lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt; &lt;/span&gt;&lt;/i&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Not everyone praised the smokestack and plant, as reported occasionally in &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Technician.&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt; They made NC State look like a factory, complained one columnist in 1967. “Passengers riding through campus on the Amtrak trains probably think ‘cow college’ instead of ‘world-class university’ when they see the smokestack,” another argued in 1988. When the school’s name changed in 1965, however, a student urged the university not to remove “State College” from the smokestack to “visibly retain our gritty, yokel image.”&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Campus community members in the 1970s, as many in the US with new concerns about the environment, objected to the impact of the coal-burning power plant. “The smoke stack still competes as one of Raleigh’s biggest polluters,” a&lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt; Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;writer lamented in August of 1970. A month later, the North Carolina Board of Water and Air Resources ordered state agencies –including the university—to burn more efficient fuels in their power plants, like natural gas and oil. Students were not entirely satisfied with the school’s planned conversions. By October of 1971, two boilers still awaited conversion, and the City of Raleigh asked NC State to switch back to burning coal in all boilers during the winter to preserve natural gas. Nationwide, demand for natural gas exceeded supply in the 1970s, the Federal Energy Administration reported in 1975. That led to shortages like Raleigh’s. For some, the smokestack became a symbol of pollution; a Housing Advisory Board member complained in 1972, “we find State’s smokestack--an atavistic edifice of unpromising and, hopefully, short future--still belching forth bilious smoke on occasions of extreme cold.” By 1974, Facilities switched all the boilers to natural gas for about $327,200. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;The students’ comments reflected statewide and national concern about air pollution. Health officials began documenting poor air quality and its toll on North Carolina’s humans and animals in the 1960s. The new studies overlapped with national “public concern and political initiatives,” according to researchers Charles Roe and Karl Rohr, so North Carolina politicians responded. The General Assembly and voters amended the state constitution to include an “Environmental Bill of Rights” on November 7, 1971. From then until 1985, the state government passed fifty-nine new environmental statutes, by legal scholar Milton Heath’s calculation. Still, businesses lobbied for and won the Hardison amendments in the late 1970s, blocking additional non-federal regulations.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;In 2014, the university again addressed the plant’s environmental impact when it “increased capacity, performance, and reliability of steam production,” according to the Office of the University Architect. For $56 million, the school retrofitted the building, traded the three 1974 boilers for larger ones, and converted to a cleaner-burning oil, according to&lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt; Technician&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. The modifications, designed by Jacobs Engineering Group and documented on the plant’s website, earned the building a LEED Silver certification.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;The Yarbrough Drive Steam Plant and Smokestack have served the campus in different ways for different people. Beyond its main function as a source of power, the building has been (among other things) a symbol for the university’s humble origins and committed alumni, a wayfinding feature, a source of pride, and a metaphor for environmental damage.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;References&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;**Note: The name “Yarbrough” was often misspelled as “Yarborough” in newspapers and school records. Researchers hoping to learn more about the plant or members of the Yarbrough family should search with both spellings. &lt;br /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Original Source References &lt;br /&gt;&lt;/span&gt;&lt;/i&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Alvin Marcus Fountain Papers. MC 0007. Box 2, Folders and “Alumni Committee on Institutional History and Commemoration, Place Names, Research, Heating Plant, 1972;” “Alumni Committee on Institutional History and Commemoration, Place Names, Research, Power Plant, 1972.” Special Collections Research Center, NC State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;“Durhamite to Speak.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Durham Sun &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;(Durham, N.C.), February 7, 1899, page 1. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Newspapers.com&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. Accessed October 9, 2020. &lt;/span&gt;&lt;a href="https://www.newspapers.com/image/76082678"&gt;&lt;span style="font-weight:400;"&gt;https://www.newspapers.com/image/76082678&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt;. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Federal Energy Administration, Office of Policy and Analysis. “The Natural Gas Shortage: A Preliminary Report.” Washington, DC: Federal Energy Administration, 1975. Ron Nessen Papers. Box 10, Folder “Energy - Natural Gas Shortage.” Gerald R. Ford Presidential Library, Ann Arbor, Michigan. &lt;/span&gt;&lt;a href="https://www.fordlibrarymuseum.gov/library/document/0204/1511759.pdf"&gt;&lt;span style="font-weight:400;"&gt;https://www.fordlibrarymuseum.gov/library/document/0204/1511759.pdf&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;G.A. Dees Cartoons. MC 0201. Flat folder 1. Special Collections Research Center, NC State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;“L.T. Yarbrough Dies Here.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;News and Observer. &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;(Raleigh, N.C.), March 25, 1952, page 4. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Newspapers.com&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. Accessed October 9, 2020. &lt;/span&gt;&lt;a href="http://www.newspapers.com/image/654741306"&gt;&lt;span style="font-weight:400;"&gt;http://www.newspapers.com/image/654741306&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt;. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;“North Carolina State College of Agriculture and Engineering Catalog, 1926-1927.” North Carolina State University. Course catalog (LD3928.A2253), Special Collections Research Center at NC State University Libraries. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials." &lt;/span&gt;&lt;a href="https://d.lib.ncsu.edu/collections/catalog/1928"&gt;&lt;span style="font-weight:400;"&gt;https://d.lib.ncsu.edu/collections/catalog/1928&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Office of Alumni Relations Publications. UA010.200. Special Collections Research Center at NC State University Libraries. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials."&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Office of Finance and Administration, Facilities Division, Design and Construction Services Department Records. UA003.004. Box 116, Folder “Power Plant, 1924-1925 and 1948-1950.” &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Office of Finance and Administration, Office of Finance and Business, Associate Vice Chancellor for Facilities Records. UA003.005. Box 52, Folder “Yarbrough Steam Plant.” NC State University Libraries Special Collections Research Center. North Carolina State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Office of Finance and Administration, Office of the University Architect Records. UA003.026. Tubes 301A-301D. NC State University Libraries Special Collections Research Center. North Carolina State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;“The Portrait of August Leazar.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Farmer and Mechanic. &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;(Raleigh, N.C.), May 30, 1911, page 9. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Newspapers.com&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. Accessed October 9, 2020. &lt;/span&gt;&lt;a href="https://www.newspapers.com/image/57406902"&gt;&lt;span style="font-weight:400;"&gt;https://www.newspapers.com/image/57406902&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt;. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Technician. LH1.N6 T4. Special Collections Research Center at NC State University Libraries, Raleigh, NC. Accessed October 9, 2020. "NC State University Libraries’ Digital Collections: Rare and Unique Materials.”&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;University Archives Reference Collection, Biographical Files, UA 050.003. Box 61, Folders “Yarbrough, Louis,” and “Yarbrough, Mary.” NC State University Libraries Special Collections Research Center. North Carolina State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;University Archives Reference Collection, University Buildings, Sites, Landmarks Files, UA 050.004. Box 7, Folder “Power Plant;” Box 9, Folders “Yarbrough Court,” “Yarbrough Plant,“ “Whistle,” “First Class.” NC State University Libraries Special Collections Research Center. North Carolina State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Water Wheel Construction, MSS 0100. Box MSS 3, Folder 00100 -1. Special Collections Research Center, NC State University Libraries, Raleigh, NC.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Secondary Source References&lt;/span&gt;&lt;/i&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Heath, Milton S Jr and Alex L. Hess III. “The Evolution of Modern North Carolina Environmental and Conservation Policy Legislation.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Campbell Law Review &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;29, no. 3 (Spring 2007): 533-589. Accessed October 9, 2020. &lt;/span&gt;&lt;a href="https://scholarship.law.campbell.edu/cgi/viewcontent.cgi?article=1454&amp;amp;context=clr"&gt;&lt;span style="font-weight:400;"&gt;https://scholarship.law.campbell.edu/cgi/viewcontent.cgi?article=1454&amp;amp;context=clr&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Lockmiller, David A. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;History of the North Carolina State College of Agriculture and Engineering of the University of North Carolina 1889-1939.&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt; Raleigh: General Alumni Association of the North Carolina State College of Agriculture and Engineering of the University of North Carolina, 1939. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Overton, Sam. “The history of the Yarbrough smokestack, a remnant of NC State’s pre-university days.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Technician &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;(Raleigh, N.C.)&lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;. &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;September 20, 2020. &lt;/span&gt;&lt;a href="http://www.technicianonline.com/arts_entertainment/article_bc38702e-fbac-11ea-8e7d-4f6cb8ee1147.html"&gt;&lt;span style="font-weight:400;"&gt;http://www.technicianonline.com/arts_entertainment/article_bc38702e-fbac-11ea-8e7d-4f6cb8ee1147.html&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Reagan, Alice Elizabeth. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;North Carolina State University, A Narrative History&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. Raleigh: North Carolina State University Foundation and North Carolina State University Alumni Association, 1987.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;Roe, Charles and Karl Rohr. “Conservation Movement Part 3: Development of the Modern Environmental Movement.” In &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Encyclopedia of North Carolina&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;, edited by William S. Powell. Chapel Hill: University of North Carolina Press, 2006. &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;NCpedia. &lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;Accessed October 9, 2020. &lt;/span&gt;&lt;a href="https://www.ncpedia.org/conservation-movement/modern-development"&gt;&lt;span style="font-weight:400;"&gt;https://www.ncpedia.org/conservation-movement/modern-development&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt; &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;“Yarbrough Steam Plant.” &lt;/span&gt;&lt;i&gt;&lt;span style="font-weight:400;"&gt;Sustainability at NC State University&lt;/span&gt;&lt;/i&gt;&lt;span style="font-weight:400;"&gt;. North Carolina State University. Accessed October 9, 2020. &lt;/span&gt;&lt;a href="https://sustainability.ncsu.edu/campus/buildings/leed/yarbrough/"&gt;&lt;span style="font-weight:400;"&gt;https://sustainability.ncsu.edu/campus/buildings/leed/yarbrough/&lt;/span&gt;&lt;/a&gt;&lt;span style="font-weight:400;"&gt;. &lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style="font-weight:400;"&gt;University Architect, Office of the. “029 (029B)—Yarbrough Plant.” Raleigh: North Carolina State University, 2020. Emailed to author, 29 September, 2020.&lt;/span&gt;&lt;/p&gt;</text>
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              <text>2020/10/13</text>
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              <text>Alanna Natanson</text>
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    <tag tagId="149">
      <name>air pollution</name>
    </tag>
    <tag tagId="150">
      <name>coal-burning</name>
    </tag>
    <tag tagId="147">
      <name>electricity</name>
    </tag>
    <tag tagId="143">
      <name>environment</name>
    </tag>
    <tag tagId="148">
      <name>heating</name>
    </tag>
    <tag tagId="142">
      <name>Louis Thomas Yarbrough</name>
    </tag>
    <tag tagId="74">
      <name>Mary Elizabeth Yarbrough</name>
    </tag>
    <tag tagId="138">
      <name>Mechanical Engineering</name>
    </tag>
    <tag tagId="151">
      <name>natural gas</name>
    </tag>
    <tag tagId="145">
      <name>power plant</name>
    </tag>
    <tag tagId="144">
      <name>smokestack</name>
    </tag>
    <tag tagId="146">
      <name>steam plant</name>
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