Cite

Whitney's map of Astoria and environs, Oregon / compiled from official data, by Henry Jackson & Co., civil engineers, March 1st, 1890.

MLA

Jackson, Henry, and Co. Whitney's Map of Astoria and Environs, Oregon / Compiled from Official Data, by Henry Jackson & Co., Civil Engineers, March 1st, 1890. W.H. Whitney, 0AD. https://collections.library.yale.edu/catalog/15821585.

APA, 6th edition

Jackson, H., & C. (0 C.E.). Whitney's map of Astoria and environs, Oregon / compiled from official data, by Henry Jackson & Co., civil engineers, March 1st, 1890. [Cadastral maps]. W.H. Whitney, https://collections.library.yale.edu/catalog/15821585.