Ground-water resources of Montgomery County, Pennsylvania / by Thomas G. Newport.

Chicago citation style
Newport, Thomas Gwyn, 1922. Ground-water resources of Montgomery County, Pennsylvania / by Thomas G. Newport.. Retrieved from the Digital Public Library of America, https://archive.org/details/groundwaterresou00newp. (Accessed December 13, 2018.)
APA citation style
Newport, Thomas Gwyn, 1922, Ground-water resources of Montgomery County, Pennsylvania / by Thomas G. Newport.. Retrieved from the Digital Public Library of America, https://archive.org/details/groundwaterresou00newp
MLA citation style
Newport, Thomas Gwyn, 1922. Retrieved from the Digital Public Library of America <https://archive.org/details/groundwaterresou00newp>.
Note: These citations are programmatically generated and may be incomplete.