Topographical atlas of Maryland: counties of Dorchester, Wicomico, Somerset and Worcester. (Published by Stedman, Brown & Lyon, Baltimore. 1873)New topographical atlas of the State of Maryland and the District of Columbia. With descriptions historical, scientific, and statistical, together with maps of the United States and Territories. By S.J. Martenet, H.F. Walling, and O.W. Gray, civil and topographical engineers. Published by Stedman, Brown & Lyon, Baltimore. 1873. (on verso) Entered ... 1872, by H.F. Walling, and O.W. Gray, and Simon J. Martenet ... WashingtonTopo. atlas Maryland: counties of Dorchester, Wicomico, Somerset & Worcester

Chicago citation style
Gray, Ormando Willis, Martenet, Simon J, Walling, H. F, Lloyd, H.H. Topographical atlas of Maryland: counties of Dorchester, Wicomico, Somerset and Worcester. (Published by Stedman, Brown & Lyon, Baltimore. 1873),New topographical atlas of the State of Maryland and the District of Columbia. With descriptions historical, scientific, and statistical, together with maps of the United States and Territories. By S.J. Martenet, H.F. Walling, and O.W. Gray, civil and topographical engineers. Published by Stedman, Brown & Lyon, Baltimore. 1873. (on verso) Entered ... 1872, by H.F. Walling, and O.W. Gray, and Simon J. Martenet ... Washington,Topo. atlas Maryland: counties of Dorchester, Wicomico, Somerset & Worcester. 1873. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28733~1120961. (Accessed December 19, 2018.)
APA citation style
Gray, Ormando Willis, Martenet, Simon J, Walling, H. F, Lloyd, H.H, (1873) Topographical atlas of Maryland: counties of Dorchester, Wicomico, Somerset and Worcester. (Published by Stedman, Brown & Lyon, Baltimore. 1873),New topographical atlas of the State of Maryland and the District of Columbia. With descriptions historical, scientific, and statistical, together with maps of the United States and Territories. By S.J. Martenet, H.F. Walling, and O.W. Gray, civil and topographical engineers. Published by Stedman, Brown & Lyon, Baltimore. 1873. (on verso) Entered ... 1872, by H.F. Walling, and O.W. Gray, and Simon J. Martenet ... Washington,Topo. atlas Maryland: counties of Dorchester, Wicomico, Somerset & Worcester. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28733~1120961
MLA citation style
Gray, Ormando Willis, Martenet, Simon J, Walling, H. F, Lloyd, H.H. Retrieved from the Digital Public Library of America <https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28733~1120961>.
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