| Authors | Year | Title | Publisher |
| Poldervaart A & Taubeneck WH | 1960 | Layered intrusions | 21st int. geol. Congr. Norden 13, p. 239-246 |
| Taubeneck WH & Poldervaart A | 1960 | Geology of the Elkhorn Mountains, Northeastern Oregon: Part 2. Willow Lake intrusion | Geological Society of America Bulletin 71, p. 1296-1322 |