116°15' 116°15' 116°00' 116°00' 115°45' 115°45' 115°30' 115°30' 115°15' 115°15' 47°30' 47°30' 47°45' 47°45' 48°00' 48°00' 48°15' 48°15' 0 5 10 15 20 2.5 Kilometers 0 4 8 12 16 2 Miles BENEWAH COUNTY KOOTENAI COUNTY MINERAL COUNTY SANDERS COUNTY SANDERS COUNTY LINCOLN COUNTY SHOSHONE COUNTY BONNERS COUNTY Pend Oreille Lake THOMPSON PASS FAULT OSBURN FAULT HOPE FAULT SNOWSHOE THRUST FAULT MOYIE THRUST PLATE Coeur d' Alene Mining District A H G B C D J I Hope Clark Fork Thompson Falls Lookout Pass Wallace Kellogg + DDH FC-4 DDH HC-4 DDH CC-1 DDH SL-130 DDH SL-136 DDH DC-3 DDH DC-2 DDH JFW-1 DDH SL-122 DDH SL-139 DDH JF-79-1 DDH JF-79-4 DDH JF-12 DDH SL-132 DDH SL-138 DDH SL-93 DDH SL-106 DDH SL-60 DDH SL-123 DDH SL-31 DDH SN-2 DDH SN-5 DDH SN-3 DDH SN-1 DDH SN-4 DDH RC-58 DDH RC-49 DDH RC-43 DDH RC-47 DDH HF-1 DDH VR-11 DDH VR-4 DDH TC-5A DDH TC-10 DDH TC-9 DDH TC-8 DDH TC-7A DDH MG-6 DDH CP-5 DDH CP-4 Kellogg DDH SN-2 Fairway Creek Hiatt Creek Cub Creek Troy Ross Point Ross Point West Dry Creek Bull Lake East J-F Twilight Creek Rock Creek (East Fork) Goat Rocks Goat Rocks (lower) Bull River (East Fork) 1, 2, 3 Chicago Peak (White) Lost Girl Devils Club Creek Hayes Ridge Snake Creek GM claims Horizon Basin Copper Gulch Rock Peak Rock Creek Montanore Late Group Engle Peak Government Mountain McKay Creek Hill Farm Green Mountain McKay Creek, South McKay Creek, North McKay Creek, (White) Soldier claims Star Gulch Squaw Peak Sims Creek Vermilion River White Penney Trout Creek White Pine Creek Ripper Creek Sex Peak Picante Silver Creek Niagara Copper Camp White Creek Beaver Creek Silver Aurora-Capitol Silver Twomile Revett Lake Rabbit Gulch Military Gulch National Snowstorm Lucky Calumet Snowshoe Missoula Chipmunk Creek Janstan group Clear Peak Copper Rock Brooks Mountain Standard Creek Gunsight Mountain Kilbrennan Creek Wee Lake 1, 2 Revett Lake Stanley Peak Mount Vernon Squaw Peak Clark Fork Granite Creek Waloven Creek (Lower) Waloven Creek (Upper) Sims Creek (West Slope) Sims Creek 1 (East Slope) Miners Gulch (Vermilion River) Rush Lake Vermilion River (White) Slide Rock Mountain Deep Creek Graves Peak Graves Creek Falls Thompson River White Pine Creek 2-4 Ripper Creek Miller Gulch (Sex Peak) Beaver Creek Road Little Beaver Creek Windfall Peak West Fork Trout Creek 2 West Fork Trout Creek 1 Trout Creek (White) Trout Creek 1, 2 East Lake Bloom Peak Niagara/Eagle Creek Bobtail Cottonwood West Fork Eagle Creek 5 West Fork Eagle Creek 3 West Fork Eagle Creek 1 Prichard Creek Coeur d'Alene River 3 Coal Creek Castle Rock Little Grizzly Creek Grizzly Creek Graham Creek Silver Creek Maple Cliff Timmies section North Fork Coeur d'Alene (Section 25-road) Little Teepee Creek 1, 2 North Fork Coeur d'Alene (Section 20NE) County Creek Bumblebee Road Browns Gulch North of Prado Creek LaTour Peak-Boise Peak Janstan Revett Lake Lower Glidden Lake Lower Military Gulch Upper Military Gulch Spokane Creek West Fork Crow Creek Spokane-Chipmunk Ridge 3 Chipmunk 1 Chipmunk 2 Twentyfour Mile Creek (Clear Peak 1) Beaver Lake 1, 2 Beaver Peak North Clear Peak (White) Hope-Thompson Game Preserve Rush Lake MAP OF THE REVETT FORMATION, WESTERN MONTANA AND NORTHERN IDAHO, SHOWING THE LOCATIONS OF MINERALIZED STRATA, DIAMOND-DRILL HOLES, AND MEASURED SECTIONS By David E. Boleneus, Larry M. Appelgate, Mary H. Carlson and Kenneth C. Assmus U.S. DEPARTMENT OF INTERIOR U.S. GEOLOGICAL SURVEY SCIENTIFIC INVESTIGATION REPORT 2005-5231 PLATE 1 Base map, hydrography, political boundaries, and cities based on ESRI Data and Maps CD (ESRI, 1999) Projection: Universal Transverse Mercator North American datum 1927, Clarke 1866 spheriod Central meridian: long -117.00 W Reference latitude: 0, scale factor: 0.996 False easting and northing: 500,000; 0 EXPLANATION County (solid) and State (dashed) lines Boundary of study area Thrust fault—Teeth on upper plate (Boleneus and others, 2001a) Normal or reverse fault—Tickmarks on downthrown side or on lower plate Fault—Arrows indicate directions of relative movement (Boleneus and others, 2001a) Copper-silver deposit, mine, prospect, or occurrence in the Revett Formation (see databases) Diamond-drill hole (DDH) (see databases) Measured section (see databases) Outcrop of the Revett Formation—Line shows limit of outcrop in areas where outcrop is Copper-silver mineralized domains of the Revett Formation Resource (subsurface) Mineralized rock (subsurface), indicated (dark) or inferred (light) (see databases) Mineralized outcrop, upper member Mineralized outcrop, lower member Line of cross section (see cross sec. A-B, pl. 2; cross secs. G-H, I-J, fig. 8) overlapped by other patterns (Boleneus and others, 2001a) 116°00' 115°45' 48°30' 48°45' 0 2 4 6 8 Kilometers 0 1 2 3 4 Miles MONTANA IDAHO NORTHERN AREA (see index map to lower right for location) MONTANA IDAHO Belt Basin Northern area Study area INDEX MAP Little Spar Lake