Cite

Washington Territory / compiled from the official records of the General Land Office and other sources by C. Roeser, Principal Draughtsman, General Land Office.

MLA

Office, United States. General Land. Washington Territory / Compiled from the Official Records of the General Land Office and Other Sources by C. Roeser, Principal Draughtsman, General Land Office. The Office, 1879. https://collections.library.yale.edu/catalog/15821635.

APA, 6th edition

Office, U. S. G. L. (1879). Washington Territory / compiled from the official records of the General Land Office and other sources by C. Roeser, Principal Draughtsman, General Land Office. [Maps]. The Office, https://collections.library.yale.edu/catalog/15821635.