@misc{indiciae2acb257167e9, title = {Late Cretaceous stratigraphy, deformation and intrusion in the Madison Range of southwestern Montana ( USA).}, author = {R. G. Tysdal and R. F. Marvin and E. Dewitt}, year = {1986}, url = {https://pubs.usgs.gov/publication/70014559}, note = {Source identifier: 70014559} }