 | | Report (issue) | | Sunnyside Mine-Marble Creek area............................ 2 Yellowjacket Creek-Camas Creek-Panther CreekMorgan...CreekMorgan Creek area........................................... 5 Intrusive rocks of uncertain age............................... 10 Corral Creek-Iron Creek area................................ 11 Twin Peaks...Peaks caldera-East Fork Mayfield Creek area............ 12 Challis-Custer Graben-East Fork-Jerry Peak area...VOLCANIC AND SEDIMENTARY ROCKS Tcb Tmp COLUMBIA RIVER BASALT Dark gray to black, fine-grained, consists |  | | Book | | II - PHYSICAL FEATURES Geographical Divisions River Systems .. Old Shore-lines 7 7 9, 11 SEDIMENTARY...The Valley of the Macal River. 78 Sibun Bridge and the Maya Mountains. 84 86 The Belize River at El...Crinoidal limestone. .. Macal Sandstones, Macal River. Contact between granite and slate. The Maya Mountains...Privassion Area. Prospecting Plan of Little Vaqueros Creek. Plan of Barytes Deposit. Topographic Map of British...and also of monazite in Swasey Branch of Monkey River. · The writer was seconded from British Guiana to |  | | Catalog/List | | ..... . Conneclicul C:rnaan. >:ew England Lime Quarry Silky wltitc !lbrous crystal prisms wilh dolomile...aluminum silicatc Callforma Placl'r County, Grass Valley Broad ,1ute cryst.al secUons imbeddcd in hornblende...50••........••.. 7. 50 8øatb West Africa Karibib district, Etiro mine Pure, 61ulib-green resinous mass ...................... Monlan:i Sanders Counly, Eddy creek Silvery while crystalline masses in quartz and...$2. 50. AWARUITE Nnti,·e nickel iron Tasmania Ileazlewood River Rich gr:iy crystalline mcta!Uc masses |  | | Report (issue) | | Geology Idaho Challis Region. 2. Mines and mineral resources Idaho Challis Region. I. Fisher, Frederick........................................... Apple Creek Formation................................................................................ Lawson Creek Formation.........................................mining district................................................ Basal dolomite of Bayhorse Creek............................... Upper carbonate of Cash Creek................................................ |  | | Report (issue) | | ILLUSTRATIONS Page PLATE T. Washington Memorial Clin pel. Valley Forge II. III. Frontispiece Granite, gneiss...Apollo. Armstrong County 17. Hoinewood sandstone quarry, Koppel, Beaver County 4-1 44 -»•» j> •_»<> 18...near Tyrone. Blair County 20. Medina sandstone quarry, near Altoona. Blair County •»7 Court House. Towanda...j»9 •>S. Flagstone quarry near LoRaysvillo. P.radford County 2!)! Flagstone quarry at Durrell. P.radford...Countv j:iil. Ebensburg. Cambria County Limestone quarry. Oak Hall. Centre County ....... Limestone in fraternity |  | | Journal (volume) | | Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West First Street...are also sold at the Los Angeles and Sacramento district exhibits of minerals, rocks, ; ; offices. ...Junior Mining Engineer. Los Angeles District: W. Burling Tucker, District Mining Engineer Reid J. Sampson...Assistant Mining Engineer. Sacramento District: Clarence A. Logan, District Mining Enginer. Redding Dis; ;...; ; trict: J. C. O'Brien, District Mining Engineer. EXHIBITS: Henry H. Symons, LIBRARY: Roy J. |  | | Report (volume) | | tons (390,000 t) of copper resources. The Blue Creek and Broken Hill mines outside the study area have...grouped in the areas of Mount Vernon-Squaw Peak, Blue Creek, and Hope fault, were located within the study area...RESOURCES, SCOTCHMAN PEAK, MONT. AND IDAHO The Blue Creek and Broken Hill mines, just outside the Scotchman...northwest-trending shear zones within the Blue Creek fault set. The mines contain about 13,000 tons (12...sites of former mining activity in the Clark Fork district, are in the southwest part of the study area (index |
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