Spatial Coverage
- Clay County1
- Corson County1
- Corson County (S.D.)1
- Corson County.1
- Dakota County1
- Dakota Territory.1
- Dawes County1
- Dewey County1
- Dewey County (S.D.)1
- Dewey County.1
- Dixon County1
- Edmunds County1
- Fall River County1
- Faulk County1
- Gregory County1
- Gregory County (S.D.)1
- Hand County (S.D.)1
- Hughes County (S.D.)1
- Huron1
- Huron (S.D.)1
