Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Simmons Stockpile Mine | Mine | 1184 | Crook | 44 35 40 N | 104 11 48 W |
| Sink Hole Pit Mine | Mine | 2590 | Sublette | 43 09 37 N | 109 58 08 W |
| Sinks Canyon Mine | Mine | 1903 | Fremont | 42 45 37 N | 108 47 32 W |
| Sioux and Mary Number One Mine | Mine | 2062 | Fremont | 42 23 43 N | 107 50 16 W |
| Sippie Mine | Mine | 1493 | Johnson | 43 45 40 N | 106 32 32 W |
| Sipple and Smith Mine | Mine | 1476 | Johnson | 43 44 46 N | 106 31 45 W |
| Sisson Mine | Mine | 1070 | Crook | 44 40 25 N | 104 05 37 W |
| Sisters Hill Mine | Mine | 1886 | Johnson | 44 14 26 N | 106 48 41 W |
| Siwash Claims | Mine | 41 | Carbon | 41 17 11 N | 107 23 27 W |
| Six Mile Hill Mine | Mine | 2120 | Carbon | 41 31 58 N | 106 50 03 W |
| Skiles Pit Number One | Mine | 1404 | Johnson | 43 43 26 N | 106 19 29 W |
| Skiles-Reno Pit | Mine | 44 | Johnson | 43 46 47 N | 106 16 56 W |
| Skoal Number One Mine | Mine | 2044 | Fremont | 42 45 37 N | 107 39 04 W |
| Skyline Mine | Mine | 2125 | Natrona | 42 52 32 N | 107 27 07 W |
| Slate Ridge Number Eight Mine | Mine | 2305 | Johnson | 43 49 20 N | 107 02 57 W |
| Slate Ridge Number Five Mine | Mine | 1607 | Johnson | 43 47 51 N | 106 46 41 W |
| Slate Ridge Number Nine Mine | Mine | 2403 | Johnson | 43 49 18 N | 107 02 04 W |
| Slate Ridge Number Ten Mine | Mine | 2416 | Johnson | 43 49 18 N | 107 02 30 W |
| Slate Ridge Numbers One-eleven Mines | Mine | 1563 | Weston | 43 47 47 N | 106 46 12 W |
| Sleeper Pit | Mine | 44 | Park | 44 15 47 N | 108 48 50 W |
| Slichter Mine | Mine | 1547 | Converse | 42 49 18 N | 105 36 58 W |
| Smith Creek Deposit | Mine | 43 | Natrona | 42 38 21 N | 106 13 40 W |
| Smith Deposit | Mine | 43 | Converse | 42 43 45 N | 105 51 39 W |
| Smith Deposit | Mine | 43 | Converse | 42 43 47 N | 105 58 34 W |
| Smith Mine | Mine | 2900 | Lincoln | 42 52 05 N | 110 35 03 W |
| Smith Mine | Mine | 1140 | Sheridan | 44 50 53 N | 106 57 36 W |
| Smith Pit Number One | Mine | 1491 | Johnson | 44 18 45 N | 106 38 02 W |
| Smith-Powleson Claim Mine | Mine | 1503 | Big Horn | 44 59 35 N | 108 10 39 W |
| Smiths Fork Mine | Mine | 2084 | Lincoln | 42 13 32 N | 110 51 59 W |
| Smuggler Mine | Mine | 3121 | Park | 43 51 10 N | 109 15 49 W |
| Snake Mine | Mine | 1387 | Big Horn | 44 35 48 N | 107 53 54 W |
| Snakebite Number Two Mine | Mine | 1379 | Johnson | 43 43 49 N | 106 05 55 W |
| Snoball Mine | Mine | 2067 | Fremont | 42 22 14 N | 107 50 34 W |
| Snoball Number Three Mine | Mine | 2085 | Fremont | 42 22 30 N | 107 50 17 W |
| Snoball Number Two Mine | Mine | 2081 | Fremont | 42 23 15 N | 107 50 17 W |
| Soap Creek Number One Mine | Mine | 1686 | Natrona | 42 48 57 N | 106 29 57 W |
| Soap Creek Number Two Mine | Mine | 1647 | Natrona | 42 49 40 N | 106 36 11 W |
| Sod House Pit | Mine | 44 | Campbell | 43 38 54 N | 105 00 54 W |
| Sodak Mine | Mine | 1175 | Crook | 44 46 45 N | 104 52 55 W |
| Soldier Creek Prospect | Mine | 44 | Big Horn | 44 14 36 N | 107 17 24 W |
| Soldiers and Sailors Pit Number Three | Mine | 1494 | Johnson | 44 20 02 N | 106 44 08 W |
| Solomon Creek Mine | Mine | 2820 | Carbon | 41 03 11 N | 106 58 32 W |
| Sourdough Butte Mine | Mine | 2024 | Carbon | 41 55 20 N | 107 59 56 W |
| Sourdough Butte Mine | Mine | 2024 | Sweetwater | 41 55 20 N | 107 59 56 W |
| South Downey Lake Mine | Mine | 2226 | Albany | 41 04 39 N | 105 48 36 W |
| South Fork - Sage Creek Mine | Mine | 1944 | Fremont | 43 05 27 N | 109 03 39 W |
| South Fork Crazy Woman Mine | Mine | 1673 | Weston | 43 56 25 N | 106 47 36 W |
| South Fork Powder River Mine | Mine | 1407 | Johnson | 43 36 24 N | 106 34 50 W |
| South Fork-Willow Creek Number One Mine | Mine | 2945 | Fremont | 43 10 41 N | 109 20 16 W |
| South Fork-Willow Creek Number Three Mine | Mine | 2944 | Fremont | 43 10 42 N | 109 20 16 W |
| South Fork-Willow Creek Number Two Mine | Mine | 3029 | Fremont | 43 10 42 N | 109 21 25 W |
| South of Crater Lake Mine | Mine | 3086 | Fremont | 43 08 07 N | 109 27 21 W |
| South Peak Mining Property Mine | Mine | 1457 | Johnson | 43 51 31 N | 106 01 10 W |
| South Walker-Sullivan Mine | Mine | 2128 | Albany | 42 18 16 N | 106 10 52 W |
| Southeast Wind River District Mine | Mine | 2140 | Fremont | 42 33 37 N | 108 35 16 W |
| Spanish Diggings | Mine | 1573 | Niobrara | 42 36 34 N | 104 50 11 W |
| Spanish Mine | Mine | 2216 | Carbon | 42 15 09 N | 107 09 23 W |
| Spanish Point Agate Mine | Mine | 2644 | Big Horn | 44 26 23 N | 107 28 06 W |
| Spanish Trails Group Mine | Mine | 2140 | Carbon | 42 15 18 N | 107 08 36 W |
| Speck Numbers 1-3 Mine | Mine | 43 | Fremont | 42 46 10 N | 107 40 39 W |
| Speedway Pit | Mine | 43 | Fremont | 42 39 36 N | 109 29 49 W |
| Spencer Call Sand and Gravel Pit | Mine | 1720 | Lincoln | 43 10 40 N | 111 02 03 W |
| Spirit Mountain Uranium Company Mine | Mine | 1631 | Park | 44 28 52 N | 109 02 49 W |
| Split Rock Area Mine | Mine | 1944 | Fremont | 42 25 39 N | 107 31 56 W |
| Split Rock Area Number One Mine | Mine | 1951 | Fremont | 42 25 38 N | 107 33 07 W |
| Split Rock Area Number Two Mine | Mine | 1944 | Fremont | 42 25 39 N | 107 31 57 W |
| Split Rock Mine | Mine | 2011 | Fremont | 42 32 34 N | 107 31 59 W |
| Spook Mine | Mine | 1532 | Converse | 43 12 07 N | 105 35 49 W |
| Sportsman Lake Mine | Mine | 2269 | Albany | 41 07 43 N | 105 37 42 W |
| Sprague Mine | Mine | 2238 | Carbon | 41 40 57 N | 106 09 36 W |
| Spring Creek Area Mine | Mine | 1465 | Washakie | 43 55 26 N | 107 20 23 W |
| Spring Creek Mine | Mine | 2161 | Albany | 41 31 50 N | 105 18 24 W |
| Spring Creek Mine | Mine | 1684 | Weston | 43 31 25 N | 106 50 45 W |
| Spring Gulch Mine | Mine | 1919 | Hot Springs | 43 55 33 N | 108 41 58 W |
| Spring Lake Creek Prospect | Mine | 42 | Lincoln | 42 23 54 N | 110 46 39 W |
| Spring Valley Mine | Mine | 2134 | Uinta | 41 14 28 N | 110 42 22 W |
| Squaw Creek Mine | Mine | 1883 | Fremont | 42 48 17 N | 108 50 02 W |
| Stan Number Nine Mine | Mine | 2028 | Fremont | 42 47 26 N | 107 36 54 W |
| Stan Number One Mine | Mine | 2008 | Fremont | 42 47 58 N | 107 36 56 W |
| Stan Number Seven Mine | Mine | 2017 | Fremont | 42 47 21 N | 107 36 32 W |
| Stan Number Three Mine | Mine | 2017 | Fremont | 42 47 37 N | 107 36 54 W |
| Standard Mine | Mine | 3109 | Carbon | 41 06 27 N | 107 00 51 W |
| Standard Park Area Mine | Mine | 3124 | Carbon | 41 06 22 N | 107 00 00 W |
| Stansbury Mine | Mine | 2017 | Sweetwater | 41 41 55 N | 109 11 17 W |
| Stansbury Number One Mine | Mine | 2018 | Sweetwater | 41 42 10 N | 109 11 24 W |
| Stansbury Number Three Mine | Mine | 2111 | Sweetwater | 41 42 21 N | 109 10 35 W |
| Star Number One Mine | Mine | 2181 | Natrona | 42 49 03 N | 107 28 20 W |
| Star Number Seven Mine | Mine | 2089 | Natrona | 42 49 07 N | 107 29 59 W |
| Star Number Three Mine | Mine | 1880 | Natrona | 43 00 25 N | 107 29 29 W |
| Star Numbers Five and Six Mine | Mine | 41 | Sweetwater | 41 04 41 N | 109 05 31 W |
| Star Pit | Mine | 44 | Washakie | 43 51 07 N | 107 21 34 W |
| Stardust Claim | Mine | 43 | Converse | 42 43 46 N | 105 51 38 W |
| Stardust Tungsten Mine | Mine | 2210 | Fremont | 43 25 25 N | 107 59 00 W |
| State Highway Department Mine | Mine | 2022 | Sweetwater | 42 03 39 N | 109 24 30 W |
| State Land Quarry Mine | Mine | 1839 | Weston | 44 05 59 N | 104 08 01 W |
| State Lease Number 0-22090 Mine | Mine | 1161 | Crook | 44 39 60 N | 104 04 32 W |
| State Line Pit | Mine | 42 | Lincoln | 41 46 41 N | 111 02 24 W |
| State Pit | Mine | 1603 | Johnson | 44 15 49 N | 106 40 10 W |
| State School Number One Mine | Mine | 1992 | Sweetwater | 42 00 28 N | 107 58 38 W |
| State School Number Two Mine | Mine | 2004 | Sweetwater | 42 00 31 N | 107 44 45 W |
| Stauffer Chemical Company Big Island Number Twelve Mine | Mine | 1957 | Sweetwater | 41 46 47 N | 109 38 27 W |
| Stauffer Chemical Company Rocky Point Mine | Mine | 2031 | Lincoln | 42 06 04 N | 110 56 25 W |
| Stauffer Trona Mine | Mine | 1888 | Sweetwater | 41 42 55 N | 109 42 04 W |
| Steele Formation Mine | Mine | 1514 | Natrona | 43 24 52 N | 106 21 40 W |
| Stemp Springs Mine | Mine | 2426 | Carbon | 41 05 46 N | 107 14 34 W |
| Sterling Limestone Quarry | Mine | 2285 | Albany | 41 15 03 N | 105 31 47 W |
| Stevens North Mine | Mine | 1674 | Converse | 43 13 01 N | 105 47 19 W |
| Stevens South Mine | Mine | 1665 | Carbon | 43 08 09 N | 105 47 15 W |
| Stillwell Mine | Mine | 1119 | Crook | 44 38 21 N | 104 09 51 W |
| Stinkingwater Mining Region | Mine | 2109 | Park | 44 02 30 N | 109 38 30 W |