### Geology of the Coeur d'Alene district, Shoshone County, Idaho

By: S. Warren HobbsAllan B. GriggsRobert E. WallaceArthur B. Campbell

                            https://doi.org/10.3133/pp478

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-                                                                                                                             Document:                                                                                                                                                                                                                                                  **Report**                                                                                                     (22300 pdf)                                                                                                                                     
- Plates:                               - **Plate 1**                            (pdf)
  - **Plate 2**                            (pdf)
  - **Plate 3**                            (pdf)
  - **Plate 4**                            (pdf)
  - **Plate 5**                            (pdf)
  - **Plate 6**                            (pdf)
  - **Plate 7**                            (pdf)
  - **Plate 8**                            (pdf)
  - **Plate 9**                            (pdf)
  - **Plate 10**                            (pdf) 
- Superseded Publications:
                                        Geologic map of the Pottsville quadrangle, northern Idaho(1952)                                    

                                        Geologic map of the Smelterville and vicinity quadrangle, Idaho(1953)                                    

                                        Geologic map of the Kellogg and vicinity quadrangle, Shoshone County, Idaho(1953)                                    

                                        Geologic map of the Wallace and vicinity quadrangle, Shoshone County, Idaho(1954)                                    

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#### Abstract

The Coeur d'Alene district, near the base of the northern panhandle of Idaho, is one of the world's larger lead- zinc and silver-producing areas. The greater part of the dis~rict i~ included within five map areas, from east to west the Pottsville, Mullan, Wallace, Kellogg, and Smelterville, which were geologically mapped during this study. These quadrangles encompass an area about 26 miles long in an east-west direction and about 9 miles wide. The district lies wholly within the Coeur d'Alene Mountains, the part of the Bitterroot Range that is drained by the Coeur d'Alene River. The Bitterroot Range is a rugged, deeply dissected mountain mass which extends on both sides of the Idaho-Montana boundary for more than 200 miles and is a part of the Northern Rocky Mountains; within the district the range has a relief of 3,000-4,000 feet. The westward-flowing South Fork of the Coeur d'Alene River bisects the district, and roads along this river and its major tributaries generally provide easy access to the communities and many mines. 

#### Study Area

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