@misc{indiciae28b9b063b45f, title = {Coalfields of New Mexico: Geology and resources}, author = {D. A. Jobin and J. T. O’Connor and F. E. Kottlowski}, year = {1991}, doi = {10.3133/b1972}, url = {https://pubs.usgs.gov/publication/b1972}, note = {Source identifier: b1972} }