Retro photo
Thursday, September 3, 2009
Retro photo:
"Testing the subsurface-Drilling with diamond drills",
Boise Irrigation Project, Idaho and Oregon, August 1910.
Walter Lubken (1881-1960)
More photos of tech
old photos, retro photos
Retro photo:
"Testing the subsurface-Drilling with diamond drills",
Boise Irrigation Project, Idaho and Oregon, August 1910.
Walter Lubken (1881-1960)
0 comments:
Post a Comment