Contour interval = 10 ft.; Relief shown by hypsometric tints, bathymetric isolines, and soundings.; Shows roads, railroad, public buildings, parks, drainage, etc.48 x 75 CentimetersJPEGUMN_ALMA:9976670408201701engThe Survey (Madison, Wis)PublicHydrographic map of the Oconomowoc-Waukesha Lake District, Waukesha County, Wis.MapsWisconsinUniversity of Minnesota