Trout hatchery, California, 1939

18 photographs of a trout hatchery, showing the progression from eggs to full-grown trout, as well as the exterior of the hatchery and its pool, probably in California, 1939 June. Negatives with handwriting on them include: #17, "Eggs that should begin hatching at any time"; #18, "Trout eggs in hatching trays"; #16, "Trout not quite out of egg stage"; #14, "Trout almost ready for releasing"; #12-13, "Rainbow trout"; #15, "Hatchery"; #9, Trout pool and hatchery"; #8, "Outside fish trough"; #7, "Rainbow trout -- about 20 [inches] long"; #4, "Water enters trout pool"; #3, "Outside fish trough"; #2, Pool for large trout"; #6, "Golden trout -- about 16 [inches] long"; and #1, "Fish trough."