@misc{indiciae983e9d4a1b31, title = {Preliminary appraisal of the hydrology of the Blocker area, Pittsburg County, Oklahoma}, author = {Melvin V. Marcher and D. L. Bergman and J.D. Stoner and S. P. Blumer}, year = {1981}, doi = {10.3133/ofr811187}, url = {https://pubs.usgs.gov/publication/ofr811187}, note = {Source identifier: ofr811187} }