- US WaBuPNRA D0201
- Collection
- 1885-1994
The Mark Gelhaus Collection includes documents, timetables, operating instructions, equipment manuals, maps, equipment registers, photographs and sound recordings produced between 1885 and 1994. Railroad represented include the Northern Pacific, Burlington Northern, Union Pacific, Southern Pacific, Milwaukee Road, Great Northern and other railroads. Many of these materials were accumulated by Michael D. Gelhaus and Al Bennett.
Gelhaus, Mark J.