| CRAVEN GROUP,ONECOTE SANDSTONES |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],ASHOVER GRIT |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],CHATSWORTH GRIT |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],GUISELEY GRIT |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],HEYDEN ROCK |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],HUDDERSFIELD WHITE ROCK |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],LONGNOR SANDSTONE |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],MIDGLEY GRIT |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],MILLSTONE GRIT GROUP [SEE ALSO MIGR] |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],READYCON DEAN FLAGS |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],REDMIRES FLAGS |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],ROACHES GRIT |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],ROUGH ROCK |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],ROUGH ROCK FLAGS |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],SHEEN SANDSTONES |
| MILLSTONE GRIT GROUP [SEE ALSO MIGR],UNNAMED SANDSTONE OF MARSDENIAN AGE (IN MILLSTONE GRIT GROUP) |
| NO PARENT,BLACKSTONE EDGE SANDSTONE |
| PENNINE COAL MEASURES GROUP,MILNROW SANDSTONE |
| PENNINE COAL MEASURES GROUP,WOODHEAD HILL ROCK |
| <all other values> |