Proceedings of the Engineers' Society of Western Pennsylvania

• Proceedings of the Engineers' Society of Western Pennsylvania (v. 1 1880-02)

  1880

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.1 1880/1881)

  1881

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.1(1880-1882))

  1882

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 1 (Jan. 1880-June 1882))

  1882

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.5-6 1889-1890)

  1890

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 4-6 (1888-90))

  1890

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.5-7 1889-91)

  1891

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.7-8 1891-1892)

  1892

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 8 (1892))

  1892

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 9 1893)

  1893

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.9-10 1893-1894)

  1894

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 10 1894)

  1894

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 11 1895)

  1895

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.11-12 1895-1896)

  1896

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 12 1896)

  1896

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.13 1897)

  1897

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 13 1897)

  1897

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.14 1898)

  1898

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 14 1898)

  1898

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 15 1899)

  1899

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.14 (1899))

  1899

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 14-15 (1898-99))

  1899

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.15-16 1899-1900)

  1900

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 16 1900)

  1900

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• Proceedings of the Engineers' Society of Western Pennsylvania (V17 1901)

  1901

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.17 (1901))

  1901

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.18 1902)

  1902

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.17 1901-1902)

  1902

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 17 1901-02)

  1902

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 18 1902)

  1902

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 18 (1902))

  1902

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.19 1903)

  1903

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 19 1903)

  1903

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• Proceedings of the Engineers' Society of Western Pennsylvania (index v.1-20 1860-1904)

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (Index 1-20(1880-1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.20 1904)

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (V20 1904)

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.1-20 index(1880-1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.20 (1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.19 (1903-04))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (Index v.1/20 (1880/1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 19 (1903-04))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 20 (1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania. (Index v. 1-20 (1899-1904))

  1904

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.2 1905 Mar)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.1 1905 Feb)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.9 1905 Dec)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.8 1905 Nov)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.7 1905 Oct)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.6 1905 Jul)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 20 1904-05)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 21 1905)

  1905

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 fe-ja 1905/06)

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 (1905-06))

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.21 no.10 1906 Jan)

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.22 1906)

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 22 1906)

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 21 (1905-06))

  1906

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.22 1906/07)

  1907

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.22 fe-ja 1906/07)

  1907

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.22 (1906-07))

  1907

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• Proceedings of the Engineers' Society of Western Pennsylvania (V22 1906-1907)

  1907

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.23 (1907-08))

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.22-23 1906-08)

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.24 1908)

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.23 1907-1908)

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 23 1907-08)

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 23 (1907-08))

  1908

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.24 (1908-09))

  1909

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.24 1908-1909)

  1909

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 24 1908-09)

  1909

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.25 (1909))

  1909

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 24 (1908-09))

  1909

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.25 (1909-10))

  1910

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.25 1909-1910)

  1910

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 25 1909-10)

  1910

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.27 (1911))

  1911

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.26 (1910-11))

  1911

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.26 1910-1911)

  1911

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• Proceedings of the Engineers' Society of Western Pennsylvania (1911)

  1911

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 26 1910-11)

  1911

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.27 1911-1912)

  1912

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• Proceedings of the Engineers' Society of Western Pennsylvania (1912)

  1912

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 27 1911-12)

  1912

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.27 (1911-12))

  1912

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 27 (1911-1912))

  1912

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.28 (1912-13))

  1913

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.28 1912-1913)

  1913

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• Proceedings of the Engineers' Society of Western Pennsylvania (1913)

  1913

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 28 1912-13)

  1913

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 28 (1912-13))

  1913

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.29 (1913-14))

  1914

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.29 1913-1914)

  1914

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• Proceedings of the Engineers' Society of Western Pennsylvania (1914)

  1914

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 29 1913-14)

  1914

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 29 (1913-14))

  1914

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.30 1914-1915)

  1915

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 30 1914/15)

  1915

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• Proceedings of the Engineers' Society of Western Pennsylvania (1915)

  1915

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 30 1914-15)

  1915

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 30 (1914-15))

  1915

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.31 1915-1916)

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 31 1915/16)

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania (1916)

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 31 1915-16)

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.31 (1915-16))

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 31 (1915-16))

  1916

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.32 1916-1917)

  1917

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 32 1916/17)

  1917

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 32 1916-17)

  1917

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 32 (1916-17))

  1917

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.33 1917-1918)

  1918

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 33 1917/18)

  1918

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 33 1917-18)

  1918

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 33 (Feb. 1917-Jan. 1918))

  1918

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.34 1918-1919)

  1919

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 34 1918/19)

  1919

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 34 1918-19)

  1919

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.34 (1918-19))

  1919

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 34 (Feb. 1918-Jan. 1919))

  1919

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.35 1919-1920)

  1920

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 35 1919/20)

  1920

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 35 1919-20)

  1920

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 35 (Feb. 1919-Jan. 1920))

  1920

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.36 1920-1921)

  1921

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 36 1920/21)

  1921

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 36 1920-21)

  1921

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 36 (Feb. 1920- Jan. 1921))

  1921

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.37 1921-1922)

  1922

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 37 1921/22)

  1922

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 37 1921-22)

  1922

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• Proceedings of the Engineers' Society of Western Pennsylvania. (v. 37 (Feb. 1921-Jan. 1922))

  1922

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.38 1922-1923)

  1923

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 38 1922/23)

  1923

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 38 (Feb. 1922-Jan. 1923))

  1923

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 38 1922-23)

  1923

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 39 1923)

  1923

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.39 1923-1924)

  1924

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.39 (1923-1924))

  1924

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.40 1924-1925)

  1925

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 40 (Feb. 1924-Jan. 1925))

  1925

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 40 1924-25)

  1925

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.41 1925-1926)

  1926

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 41 (Feb. 1925-Jan. 1926))

  1926

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 41 1925-26)

  1926

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.43:no.7 1927:Oct.)

  1927

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.42 1926-1927)

  1927

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 42 1926-27)

  1927

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 43 1927-28)

  1928

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.45 1929)

  1929

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 44 (Feb. 1928-Jan. 1929))

  1929

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 45 (Feb.-Dec. 1929))

  1929

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 44 1928-29)

  1929

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 45 1929)

  1929

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.46:no.4 1930:Apr.)

  1930

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.46 1930)

  1930

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 46 (Jan.-Apr. 1930))

  1930

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 46 (May-Dec. 1930))

  1930

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• Proceedings of the Engineers' Society of Western Pennsylvania (v. 46 1930)

  1930

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• Proceedings of the Engineers' Society of Western Pennsylvania (v.8-10)

  1938

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