@misc{indiciaedbb13610e544, title = {The "checkerboard method"; a new way to estimate the numbers of undiscovered hydrocarbon accumulations in sparsely drilled areas}, author = {Richard G. Stanley}, year = {1995}, doi = {10.3133/b2120}, url = {https://pubs.usgs.gov/publication/b2120}, note = {Source identifier: b2120} }