DISTRIBUTED BY FLATIRON POST CARD CO., BOULDER, COLO.
197-Aerial view of the Boulder Labora-
tories, National Bureau of Standards, Boulder,
Colorado, with the Flatirons providing a
scenic backdrop. Behind the Radio Building
in the foreground are the Cryogenic Buildings.
COLOR BY FLOYD WALTERS
6C-K1494
NATURAL COLOR REPRODUCTION-CURTEICHCOLOR R ART-CREATION REG.U.S. PAT. OFF.
HERE
