| Title | Helena and Frisco Mining Company. Letter |
| Genre | Letters (correspondence) |
| Form | correspondence |
| Call Number | ave_biggert_00145 |
| Date | 1890-1899 |
| DOI | 10.7916/D8ST91SK |
| Companies | Helena and Frisco Mining Company |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Gem, Idaho, United Statesadd_location |