OC-4013
PYROHEDRON
OREGON CENTENNIAL EXPOSITION
Natural gas flame burning continuously at the exhibit of the
Northwest Natural Gas Company.
Color Photo by Georg Nilsen
MIRRO-KROME ® CARD BY H. S. CROCKER CO., INC. PORTLAND, OREGON
PUB. BY WESTERN COLOR SALES INC.
1425 S. W. 13TH AVE., PORTLAND 1, OREGON