A geological and topographical map of the New Boston and Morea coal lands, in Schuylkill County, Penn'a.; by Benj. Smith Lyman ... aided by Amos P. Brown and J. S. Elverson.
MLA
Lyman, Benjamin Smith, 1835-1920. A geological and topographical map of the New Boston and Morea coal lands, in Schuylkill County, Penn'a.; by Benj. Smith Lyman ... aided by Amos P. Brown and J. S. Elverson.. BRBL_00501. 1889. https://collections.library.yale.edu/catalog/15811137.
APA, 6th edition
Lyman, Benjamin Smith, 1835-1920. (["BRBL_00501"])(1889)[A geological and topographical map of the New Boston and Morea coal lands, in Schuylkill County, Penn'a.; by Benj. Smith Lyman ... aided by Amos P. Brown and J. S. Elverson.]. https://collections.library.yale.edu/catalog/15811137.
