Interpretation of an aeromagnetic survey in western Pennsylvania and parts of eastern Ohio, northern West Virginia, and western Maryland / M.E. Beck, R.E. Mattick.

Chicago citation style
Beck, Myrl E. Interpretation of an aeromagnetic survey in western Pennsylvania and parts of eastern Ohio, northern West Virginia, and western Maryland / M.E. Beck, R.E. Mattick.. Retrieved from the Digital Public Library of America, https://archive.org/details/interpretationof00beck. (Accessed September 19, 2018.)
APA citation style
Beck, Myrl E, Interpretation of an aeromagnetic survey in western Pennsylvania and parts of eastern Ohio, northern West Virginia, and western Maryland / M.E. Beck, R.E. Mattick.. Retrieved from the Digital Public Library of America, https://archive.org/details/interpretationof00beck
MLA citation style
Beck, Myrl E. Retrieved from the Digital Public Library of America <https://archive.org/details/interpretationof00beck>.
Note: These citations are programmatically generated and may be incomplete.