Datasets:
| charles | |
| prince george's | |
| harford | |
| frederick | |
| cecil | |
| anne arundel | |
| garrett | |
| caroline | |
| wicomico | |
| worcester | |
| queen anne's | |
| st. mary's | |
| somerset | |
| talbot | |
| carroll, frederick | |
| kent, queen anne's | |
| queen anne's, talbot | |
| caroline, queen anne's | |
| calvert | |
| carroll | |