@misc{indiciae638adf1f596e, title = {Assessment of continuous oil and gas resources in the Middle and Upper Magdalena Basins, Colombia, 2017}, author = {Christopher J. Schenk and Michael E. Brownfield and Marilyn E. Tennyson and Phuong A. Le and Tracey J. Mercier and Thomas M. Finn and Sarah J. Hawkins and Stephanie B. Gaswirth and Kristen R. Marra and Timothy R. Klett and Heidi M. Leathers-Miller and Cheryl A. Woodall}, year = {2017}, doi = {10.3133/fs20173060}, url = {https://pubs.usgs.gov/publication/fs20173060}, note = {Source identifier: fs20173060} }