Sharpsburg. Ninth ward, Allegheny City. (with) Allentown. (1872)Atlas of the cities of Pittsburgh, Allegheny, and the adjoining boroughs. From actual surveys & official records, compiled & published by G.M. Hopkins & Co. 320 Walnut St., Philadelphia. 1872. Assistant surveyors: H.W. Hopkins, W.S. MacCormac, Edward Vansciver, Weston R. Smith, Samuel Huff, Robert Foust, L. Cunningham. Assistant publishers: Richard Clark, M.S. Converse, S.T.C. Bell, L.J. Richards, J.C. Martin, W.G. Carter, Isaac Borneman, James Wilson, A.R. Whipple. Engraved by Edward Busch, 320 Walnut St. Entered ... 1872 by G.M. Hopkins ... Washington D.C. F. Bourquin Lith. 320 Chestnut St. PhilaAllegheny ward 9; Sharpsburg

Chicago citation style
G.M. Hopkins & Co. Sharpsburg. Ninth ward, Allegheny City. (with) Allentown. (1872),Atlas of the cities of Pittsburgh, Allegheny, and the adjoining boroughs. From actual surveys & official records, compiled & published by G.M. Hopkins & Co. 320 Walnut St., Philadelphia. 1872. Assistant surveyors: H.W. Hopkins, W.S. MacCormac, Edward Vansciver, Weston R. Smith, Samuel Huff, Robert Foust, L. Cunningham. Assistant publishers: Richard Clark, M.S. Converse, S.T.C. Bell, L.J. Richards, J.C. Martin, W.G. Carter, Isaac Borneman, James Wilson, A.R. Whipple. Engraved by Edward Busch, 320 Walnut St. Entered ... 1872 by G.M. Hopkins ... Washington D.C. F. Bourquin Lith. 320 Chestnut St. Phila,Allegheny ward 9; Sharpsburg. 1872. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28621~1120899. (Accessed December 12, 2018.)
APA citation style
G.M. Hopkins & Co, (1872) Sharpsburg. Ninth ward, Allegheny City. (with) Allentown. (1872),Atlas of the cities of Pittsburgh, Allegheny, and the adjoining boroughs. From actual surveys & official records, compiled & published by G.M. Hopkins & Co. 320 Walnut St., Philadelphia. 1872. Assistant surveyors: H.W. Hopkins, W.S. MacCormac, Edward Vansciver, Weston R. Smith, Samuel Huff, Robert Foust, L. Cunningham. Assistant publishers: Richard Clark, M.S. Converse, S.T.C. Bell, L.J. Richards, J.C. Martin, W.G. Carter, Isaac Borneman, James Wilson, A.R. Whipple. Engraved by Edward Busch, 320 Walnut St. Entered ... 1872 by G.M. Hopkins ... Washington D.C. F. Bourquin Lith. 320 Chestnut St. Phila,Allegheny ward 9; Sharpsburg. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28621~1120899
MLA citation style
G.M. Hopkins & Co. Retrieved from the Digital Public Library of America <https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28621~1120899>.
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