light and power industry of Oregon as covered by eleven major operating companies
By: prepared under the direction of Clare Ketchum Tripp ...
Contributors: Washington-Oregon Industries Education Bureau,
Publisher: Washington-Oregon Industries Education Bureau
Published: 1928
Place of publication: Seattle
Language: eng
Number of pages: 11
Subjects: Electric utilities -- Oregon
Notes: Cover title.

Mimeograph.

"Industrial information for elementary, intermediate and junior high school grades"--Leaf [1].

WSU MASC copy is: 002-123040321.