Cite

Plat of Le Beau, Walworth Co., Dako. / Poole Bro's, map engr's, Chicago.

MLA

Plat of Le Beau, Walworth Co., Dako. / Poole Bro's, Map Engr's, Chicago. Poole Bros.?, 1883. https://collections.library.yale.edu/catalog/15814749.

APA, 6th edition

Plat of Le Beau, Walworth Co., Dako. / Poole Bro's, map engr's, Chicago. (1883). [Maps]. Poole Bros.?, https://collections.library.yale.edu/catalog/15814749.