(1964). Preliminary geologic map and sections of the Hogan 4 Northeast quadrangle, Lewis and Clark and Cascade Counties, Montana. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Preliminary Geologic Map and Sections of the Hogan 4 Northeast Quadrangle, Lewis and Clark and Cascade Counties, Montana. Washington, D.C: U.S. Geological Survey, 1964.
MLA-Zitierstil (9. Ausg.)Preliminary Geologic Map and Sections of the Hogan 4 Northeast Quadrangle, Lewis and Clark and Cascade Counties, Montana. U.S. Geological Survey, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.