Cite

Alaska and adjoining territory / drawn by H. Lindenkohl.

MLA

Survey, United States Coast. Alaska and Adjoining Territory / Drawn by H. Lindenkohl. U.S. Coast Survey, 1869. https://collections.library.yale.edu/catalog/15821710.

APA, 6th edition

Survey, U. S. C. (1869). Alaska and adjoining territory / drawn by H. Lindenkohl. [Maps]. U.S. Coast Survey, https://collections.library.yale.edu/catalog/15821710.