Hydrographic map of the Oconomowoc-Waukesha Lake District, Waukesha Co. Contour interval = 10 ft. Depths shown by hypsometric tints, bathymetric isolines, and soundings. Shows roads, railroad, public buildings, parks, drainage, etc. At head of cover title: no. 4. Explanation of map on pages 2 and 4 of cover. Imprint from Hydrographic map of the Oconomowoc-Waukesha Lake District, Waukesha County, Hydrographic map of the Oconomowoc-Waukesha Lake District, Waukesha County, Wis., Wisconsin , Waukesha ,county

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Photo credit: © LM/BT / Alamy / Afripics
License: Licensed
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