| Lat / long: | 45.84465, -103.62559 |
| Secondary: | Petroleum (Oil), Lignite |
| Tertiary: | Bloating Material, Stone, Crushed/Broken, Uranium, Sand and Gravel, Construction |
| Operation type: | Unknown |
| Deposit type: | VARIES WITH COMMODITY |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1910 |
| Structure: | CONTOURS ON THE TOP OF THE DAKOTA FORMATION SHOW A STEEPER NORTHEAST DIP IN THE VICINITY OF THE OIL FIELD. THE STRUCTURE IS A MONOCLINE OR LOCAL STEEPENING IN AN OTHERWISE UNIFORM DIP ON THE EAST FLANK OF THE FOX HILLS DOME. A SYNCLINAL AXIS TRENDS NORTHWEST THROUGH THE SOUTH CAVE HILLS., THE LADNER QUADRANGLE LIES ON THE SOUTHWEST FLANK OF THE DAKOTA (WILLISTON) BASIN. THE REGIONAL DIP INTO THE BASIN IS ABOUT 22 FEET PER MILE (4.17 M PER KM) NORTHEAST. |
| MRDS | SD00384 |
| DEP | 60001098 |
| Reference | PETSCH, BRUNO C., 1956, LADNER QUAD, SOUTH DAKOTA GEOLOGICAL SURVEY |