Cite

Map showing the location of the N.Y. & Oswego Midland R.R. with existing and proposed connection, January 1st 1869, [by Van R. Richmond, State Engr. & Surv.].

MLA

Richmond, Van R. Map Showing the Location of the N.Y. & Oswego Midland R.R. with Existing and Proposed Connection, January 1st 1869, [by Van R. Richmond, State Engr. & Surv.]. 1869. https://collections.library.yale.edu/catalog/15790083.

APA, 6th edition

Richmond, V. R. (1869). Map showing the location of the N.Y. & Oswego Midland R.R. with existing and proposed connection, January 1st 1869, [by Van R. Richmond, State Engr. & Surv.]. [Maps]. https://collections.library.yale.edu/catalog/15790083.