TY  - RPRT
TI  - The "checkerboard method"; a new way to estimate the numbers of undiscovered hydrocarbon accumulations in sparsely drilled areas
AU  - Richard G. Stanley
PY  - 1995
DO  - 10.3133/b2120
UR  - https://pubs.usgs.gov/publication/b2120
ID  - b2120
ER  -