| Chart Input Table: | PLGDSC## |
| Chart Type: | Stacked Histogram |
| Group Variable: | Play Discovery Sequence |
| Y-Axis: | Fields |
| Y-Axis Label: | Fields |
| X-Axis: | 9, 18, 36, 72, 144, 288, 576, 1152, 2304, 4608, >6144 |
| X-Axis Label: | Fields Size Class Midpoints (BCFG) |
| Chart Function: | Chart shows the number of gas fields discovered in each field size class, stacked by the 1/3rd or 1/2 of the discovery history in which the discoveries were made. |