![](/TrimIcon/w32h32/GreyFile.png)
890447 - 890449 : Ed Cookman and Sharon Schneiderman teach sewage curriculum to teachers
Friday, October 13, 1989
A2017-005
APF/25585
At McNary High School in Salem.
890447 - 890449 : Ed Cookman and Sharon Schneiderman teach sewage curriculum to teachers
Friday, October 13, 1989
A2017-005
APF/25585
At McNary High School in Salem.