Barrow pit for backfill at 20-inch dome building
1937 May 31
- Title
- Barrow pit for backfill at 20-inch dome building
- Collection
- Caltech Photographs
- Series
- Photographs of Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Dates
- 1937 May 31
- Extents
- 1 photographs