| | Title | Date | Type |
|---|
| 51 |  | Georeferenced Logan, 1930: sheet 15 (.zip file) | 2013 | Dataset |
| 52 | | Georeferenced Logan, 1930: sheet 16 (.zip file) | 2013 | Dataset |
| 53 | | Georeferenced Logan, 1930: sheet 17 (.zip file) | 2013 | Dataset |
| 54 | | Georeferenced Logan, 1930: sheet 18 (.zip file) | 2013 | Dataset |
| 55 | | Georeferenced Logan, 1930: sheet 19 (.zip file) | 2013 | Dataset |
| 56 | | Georeferenced Logan, 1930: sheet 20 (.zip file) | 2013 | Dataset |
| 57 | | Georeferenced Logan, 1930: sheet 21 (.zip file) | 2013 | Dataset |
| 58 | | Georeferenced Logan, 1930: sheet 22 (.zip file) | 2013 | Dataset |
| 59 | | Georeferenced Logan, 1930: sheet 23 (.zip file) | 2013 | Dataset |
| 60 | | Georeferenced Logan, 1930: sheet 24 (.zip file) | 2013 | Dataset |
| 61 | | Georeferenced Logan, 1930: sheet 25 (.zip file) | 2013 | Dataset |
| 62 | | Georeferenced Logan, 1930: sheet 26 (.zip file) | 2013 | Dataset |
| 63 | | Georeferenced Logan, 1930: sheet 27 (.zip file) | 2013 | Dataset |
| 64 | | Georeferenced Logan, 1930: sheet 28 (.zip file) | 2013 | Dataset |
| 65 | | Georeferenced Logan, 1930: sheet 29 (.zip file) | 2013 | Dataset |
| 66 | | Georeferenced Logan, 1930: sheet 30 (.zip file) | 2013 | Dataset |
| 67 | | Georeferenced Logan, 1930: sheet 31 (.zip file) | 2013 | Dataset |
| 68 | | Georeferenced Logan, 1930: sheet 32 (.zip file) | 2013 | Dataset |
| 69 | | Georeferenced Logan, 1930: sheet 33 (.zip file) | 2013 | Dataset |
| 70 | | Georeferenced Logan, 1930: sheet 34 (.zip file) | 2013 | Dataset |
| 71 | | Georeferenced Logan, 1930: sheet 35 (.zip file) | 2013 | Dataset |
| 72 | | Georeferenced Logan, 1930: sheet 36 (.zip file) | 2013 | Dataset |
| 73 | | Georeferenced Logan, 1930: sheet 37 (.zip file) | 2013 | Dataset |
| 74 | | Georeferenced Logan, 1930: sheet 38 (.zip file) | 2013 | Dataset |
| 75 | | Georeferenced Logan, 1930: sheet 39 (.zip file) | 2013 | Dataset |
