Lac Do lard-des-Ormeaux !< !sandstone !< Silver Lake !( < Bol on Lakes P9 - Rockcliffe Formation: sandstone, limestone and shale Little Silver Lake Bass Lake South Branch Stanleyville Adams Lake !( Christie Lake !( Mills Lake Lower Ordovician Cranberry Lake P10 - Oxford Formation: dolostone White Lake Otter Lake !< Sharbot Lake Rock Lake Pike Lake P11 - March Formation: dolostone and sandstone !( Davern Lake Round Lake !< !< Mill Pond < Black Lake Cambro-Ordovician Sharbot Lake Bolingbroke !(Farrell Lake North Augusta P12 - Nepean Formation: sandstone Crosby LakeLittle Crosby Lake LEEDS & GRENVILLE !( Crow Lake rish Lake Atk ns Lake P13 - Covey Hill Formation: sandstone !( LENNOX & ADDINGTON St. George Lake !< P11 Precambrian P13 R - All Formations Leggat Lake Oconto Big Rideau Lake !( Crow Lake Base-mapping and GIS services provided courtesy of the Mississippi-Rideau Bellamys Lake !< *East of Renfrew this class also contains limited coverage of Bobcaygeon Formation Source Protection Region, under License with the Ontario Ministry of Natural Portland Resources © Queen's Printer for Ontario, 2008. !( Eagle Lake Bobs Lake !< Greenbush These maps are the property of the Mississippi-Rideau Source Protection Region, Westport !( who holds a copyright to them. These maps may be copied or reproduced by Long Lake Westport Sand Lake!( Upper Rideau Lake other parties provided that the Mississippi-Rideau SPR is properly acknowledged